South KoreaWTA SeoulFinished

Predictions graded

Alina Charaeva #112Armenia2Sofia Kenin #118United States1

Sets 3-6 · 7-6 · 6-4Tue 22 Sept 2026, 09:28 Predictions gradedFirst RoundHard

Predictions6–275%

Edges2–0100%

Player Profiles

Ranking advantageAlina Charaeva · 6 places

Alina Charaeva

Armenia

The WTA lists Charaeva at a career-high No. 112 in July 2026. The ITF identifies hard courts as her preferred surface.

Current ranking: #112
Peak ranking: #112 · 2026
Current age: 24
Preferred surface: Hard
Hand: Right handed
Height: —

Sofia Kenin

United States

Reached a career-high No. 4 in March 2020. The ITF lists hard courts as her preferred surface; no verified active fitness issue in the requested recent-search window was found.

Current ranking: #118
Peak ranking: #4 · 2020
Current age: 27
Preferred surface: Hard
Hand: Right handed
Height: 170 cm

Quick Take

Pre-match view

Context last updated 20 Sep 2026, 06:06 · Europe/Bucharest

Charaeva is the clear form and hard-court edge over a slumping Kenin (3-12 on hard in 2026), making her at 1.95 the standout value with a 6.7-point edge over the implied price.

Back Charaeva to win, lean under 6.5 aces and over 7.5 double faults, and avoid Kenin as a ranking-based trap.

Context

Kenin, 27, is a former Australian Open champion and 2020 French Open finalist, now ranked No. 100. Charaeva, 24, is ranked No. 133 and has spent most of her career on the ITF circuit.
Kenin's 26.7% win rate over her last 15 matches includes losses to top-25 players Pegula, Kostyuk and Navarro, but also defeats to lower-ranked opponents like Stefanini (No. 119) and Golubic (No. 64). Charaeva's 53.3% record over the same window is built largely on clay and grass, with a 3-4 hard-court record in that span. The recent results favor Charaeva, but Kenin's higher career level and hard-court pedigree keep this from being a clear edge.
- Kenin's last 15 matches: 4-11 record, 36.1% sets won, 44.1% games won.
- Charaeva's last 15 matches: 8-7 record, 51.4% sets won, 51.7% games won.
- Kenin's recent losses include defeats to No. 119 Stefanini and No. 64 Golubic.
- Charaeva's recent wins include victories over No. 95 Kraus and No. 193 Sorribes Tormo on clay.
Charaeva's serve has been a weakness throughout her career, with 1,585 double faults in 346 matches. On hard courts in her last 15 matches, she has won just 42.6% of second-serve points.
Kenin's return game has been modest recently, winning 40.1% of return points overall, but Charaeva's double-fault rate and low second-serve effectiveness on hard courts give Kenin more opportunities than her recent numbers suggest. If Kenin can apply pressure on second serves, Charaeva's service games could become a significant liability.
- Charaeva's last 15 hard-court matches: 6.6 double faults per match, 42.6% second-serve points won.
- Charaeva's career double faults: 1,585 in 346 matches.
- Kenin's last 15 matches: 40.1% return points won.
Charaeva, 23, is the WTA No. 133 right-hander in this first-round match and arrived in Seoul directly from South America.
Her São Paulo quarterfinal finished on September 18, and the Korea Open starts September 21, so she has three days to recover and adjust from Brazil to South Korea. That short window can limit outdoor hard-court preparation, though the claim is reported rather than confirmed and does not by itself decide the match.
- Charaeva’s São Paulo quarterfinal ended on September 18.
- The Korea Open runs from September 21 to September 27.
- Stored recent sample: 2 wins from 5 tracked matches.
ReportedSources checked 20 Sep 2026, 06:05 · Europe/BucharestAlina Charaeva Tennis Stats & Newswww.rotowire.com · 18 Sep 2026Asian Swing 411: Dates, draws, prize money and everything you need to knowwww.wtatennis.com · 17 Sep 2026
Kenin's first-serve percentage of 66.9% over her last 15 matches is a strength, though she has won only 63.3% of those points. Charaeva has landed 59% of first serves in the same window.
Kenin's ability to start points with a first serve gives her a structural advantage in service games, even if her overall results have been poor. Charaeva's return game has been average on hard courts (45.2% return points won), so Kenin may be able to hold serve more comfortably than her recent form suggests.
- Kenin's last 15 matches: 66.9% first-serve in, 63.3% first-serve points won.
- Charaeva's last 15 matches: 59% first-serve in, 61.4% first-serve points won.
- Charaeva's last 15 hard-court matches: 45.2% return points won.

BetBugs edges

Compare BetBugs' chances with the market's.

Positive edges · 1

Other edges · 1

The published chance does not exceed the market's implied chance.

Total GameswonUncertainty band: Slight lean

Over 21.5

1.65fair 1.75

BetBugs 57% · Market 60.6%

0.0ppshort

Charaeva's long recent matches and near-even hard-court games-won shares point to a drawn-out Bo3, but the quoted price already overprices the over.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result1 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.95
The read
Charaeva holds the clear recent-form and hard-court structural edge (better games-won share, higher break-point conversion), while Kenin's 2026 hard-court collapse (3-12) and 26.7% last-15 win rate point the same direction; the reported travel load is a modest counterweight.
- Charaeva last-15 record 8-7 (53.3%) vs Kenin 4-11 (26.7%) — both windows fully tracked at 15 matches.
- Hard-court last-15 split: Charaeva 3-4 with 50.0% games won; Kenin 2-4 with 44.9% games won.
- Kenin's 2026 hard-court season record is 3-12, and she has lost 11 of her last 15 matches overall.
- Charaeva won two of three Seoul-week hard matches (Sept 16-17) before falling to Blinkova on Sept 18.
BetBugs · Match WinnerwonAlina CharaevaEstimated chance58%

Games1 of 1 landed

Signal quality Medium · Uncertainty band Slight lean · Market price 1.65
The read
Charaeva's long recent matches and near-even hard-court games-won shares point to a drawn-out Bo3, with Kenin's occasional three-set grinders supporting the over.
- Charaeva last-15 average match duration 127.6 minutes; hard-court subset 131.8 minutes.
- Charaeva's last three Seoul-week matches produced 25, 31 and 22 games.
- Kenin last-15 average duration 96.9 minutes, but her competitive hard matches vs Kostyuk (31 games) and Lys (25 games) ran long.
- Both players sit near 50% games-won on hard (Charaeva 50.0%, Kenin 44.9%), suggesting tight sets.
BetBugs · Total GameswonOver 21.5Estimated chance57%

Sets1 of 2 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Charaeva's stronger recent return numbers and Kenin's habit of slow hard-court starts give a slight first-set lean, though the margin is thin and confidence is low.
- Charaeva career firstSetWinConversion 90% vs Kenin 85%.
- Charaeva last-15 first-serve points won 61.4% vs Kenin 63.3%, but Kenin's return points won is only 40.1%.
- Kenin has dropped the opening set in 4 of her last 6 hard-court matches (Pegula, Kostyuk, Navarro, Stefanini).
- Charaeva opened with a 6-2 first set vs Avanesyan on Sept 17 in Seoul conditions.
BetBugs · Set 1 WinnerlostAlina CharaevaEstimated chance56%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Charaeva's better recent set-win share and Kenin's weak second-set record on hard courts give a modest edge, held to low confidence given the small sample.
- Charaeva last-15 sets won 51.4% (19/37) vs Kenin 36.1% (13/36).
- Kenin has lost the second set in 6 of her last 8 hard-court matches.
- Charaeva won the second set in her Sept 16 and Sept 17 Seoul-week matches.
- Kenin's hard-court second-serve points won is only 42.4%, exposing her in return games.
BetBugs · Set 2 WinnerwonAlina CharaevaEstimated chance55%

Match stats0 of 0 landed

Signal quality Medium · Uncertainty band Lean · Not priced
The read
Both players post low recent ace rates, especially Kenin at 1.5 per match, making an under on combined aces the structurally supported side.
- Charaeva last-15 aces per match 3.7 (55/15); hard-court subset 4.0 per match.
- Kenin last-15 aces per match just 1.5 (22/15); hard-court subset 1.3 per match.
- Combined recent ace rate is roughly 5.2 per match across both players.
- Neither player's career profile is ace-heavy relative to tour norms.
BetBugs · Total Acesnot gradableUnder 6.5Estimated chance58%
Signal quality Medium · Uncertainty band Slight lean · Not priced
The read
Both players' recent double-fault rates comfortably exceed the line when combined, with Charaeva's hard-court 6.6 per match the strongest driver.
- Charaeva last-15 double faults per match 5.8 (87/15); hard-court subset 6.6 per match.
- Kenin last-15 double faults per match 4.0 (60/15); hard-court subset 4.5 per match.
- Combined recent double-fault rate is roughly 9.8 per match.
- Charaeva's career double faults (1585 in 346 matches) confirm a persistent serving-liability pattern.
BetBugs · Total Double Faultsnot gradableOver 7.5Estimated chance56%

Markets to Avoid

High-risk markets where price or context leaves too little cushion.

Kenin's 2026 hard-court collapse and 26.7% last-15 win rate make her a trap despite the shorter price and higher ranking.

Prediction history

Alina Charaeva has been highly reliable when projected to win, fulfilling 8 of 9 recent match-winner projections

Alina Charaeva fulfilled 8 of 9 match-winner projections in this recent sample. Her 8 fulfilled predictions exceeded the 5.8 expected from her average estimated probability of 63.9, and her matched average probability (63.8) was nearly identical to her missed average (65.0). The single miss was a loss, and the current 58% projection sits within her historical range of 58% to 78%.

Recent evidence for Alina Charaeva9 matches

Date / competitionMatch resultPredictedActualResult

13 Jul·WTA Iasi

#118Alina Charaeva2-0#114Victoria Jimenez Kasintseva

BetBugsAlina Charaeva to win·58%

Matched

13 Jul 2026

WTA Iasi

#118Alina Charaeva2-0#114Victoria Jimenez Kasintseva

Alina Charaeva to win

58%probability

Alina Charaeva won

Matched

24 Jun·WTA Wimbledon

#242Caroline Werner1-2#120Alina Charaeva

BetBugsAlina Charaeva to win·62%

Matched

24 Jun 2026

WTA Wimbledon

#242Caroline Werner1-2#120Alina Charaeva

Alina Charaeva to win

62%probability

Alina Charaeva won

Matched

23 Jun·WTA Wimbledon

#165Elizabeth Mandlik0-2#120Alina Charaeva

BetBugsAlina Charaeva to win·62%

Matched

23 Jun 2026

WTA Wimbledon

#165Elizabeth Mandlik0-2#120Alina Charaeva

Alina Charaeva to win

62%probability

Alina Charaeva won

Matched

20 Jun·WTA Figueira da Foz

#128Alina Charaeva1-2#277Ayla Aksu

BetBugsAlina Charaeva to win·65%

Missed

20 Jun 2026

WTA Figueira da Foz

#128Alina Charaeva1-2#277Ayla Aksu

Alina Charaeva to win

65%probability

Ayla Aksu won

Missed

19 Jun·WTA Figueira da Foz

#173Susan Bandecchi1-2#128Alina Charaeva

BetBugsAlina Charaeva to win·58%

Matched

19 Jun 2026

WTA Figueira da Foz

#173Susan Bandecchi1-2#128Alina Charaeva

Alina Charaeva to win

58%probability

Alina Charaeva won

Matched

Previous match context available

Alina Charaeva

8W 7L

6-4 7-5#94Anna Blinkova

6-2 6-3#155Elina Avanesyan

3-6 7-6(5) 6-3#207Xiaodi You

6-4 6-4#143Susan Bandecchi

4-6 6-4 6-3#34Nikola Bartunkova

6-3 6-3#618Rebecca Marino

6-1 7-6(3)#69Anna Bondar

5-7 7-5 7-5#95Sinja Kraus

3-6 7-5 6-1#193Sara Sorribes Tormo

6-3 6-3#78Yulia Putintseva

6-0 6-1#173Victoria Jimenez Kasintseva

4-6 6-4 6-1#103Polina Kudermetova

5-7 6-4 6-0#267Caroline Werner

6-2 6-4#167Elizabeth Mandlik

6-3 6-7(5) 7-6(4)#203Ayla Aksu

Sofia Kenin

4W 11L

6-3 6-1#3Jessica Pegula

6-2 7-6(6)#589Venus Williams

4-6 6-3 7-5#10Marta Kostyuk

1-6 6-3 6-3#99Eva Lys

7-5 1-6 6-2#119Lucrezia Stefanini

6-0 7-5#24Emma Navarro

6-2 4-6 7-6(3)#11Amanda Anisimova

7-6(4) 6-4#75Petra Marcinko

6-3 6-1#42Daria Snigur

6-2 4-6 6-3#64Viktorija Golubic

6-3 6-4#64Viktorija Golubic

6-4 6-4#156Elsa Jacquemot

6-3 6-3#60Peyton Stearns

1-6 6-4 6-1#101Oksana Selekhmeteva

6-4 7-5#164Bianca Vanessa Andreescu

Stat Battle

Last 15 match performance, compared side by side.

ACAlina CharaevaCharaeva

Last 15

6–3

9 core stats · 0 even

Sofia KeninKeninSK

Alina Charaeva carries the stronger recent form — Sofia Kenin's route runs through serve.

Serve · 2–3

1st Serve In59.0%+7.9pp66.9%

1st Serve Won61.4%+1.9pp63.3%

2nd Serve Won44.5%+2.2pp42.3%

Aces / Match3.7+2.21.5

Double Faults / Match5.81.8 fewer4.0

Return · 1–0

Return Pts Won46.1%+6.0pp40.1%

Pressure · 2–0

Break Pts Converted46.9%+4.0pp42.9%

Break Pts Saved54.4%+2.8pp51.6%

Points · 1–0

Total Pts Won50.3%+2.5pp47.8%

Serve · 2–3

59.0%1st Serve In+7.9pp66.9%

61.4%1st Serve Won+1.9pp63.3%

44.5%2nd Serve Won+2.2pp42.3%

3.7Aces / Match+2.21.5

5.8Double Faults / Match1.8 fewer4.0

Return · 1–0

46.1%Return Pts Won+6.0pp40.1%

Pressure · 2–0

46.9%Break Pts Converted+4.0pp42.9%

54.4%Break Pts Saved+2.8pp51.6%

Points · 1–0

50.3%Total Pts Won+2.5pp47.8%

Alina Charaeva

Sofia Kenin

Quick Take

Context

BetBugs edges

Alina Charaeva

Over 21.5

Result1 of 1 landed

Games1 of 1 landed

Sets1 of 2 landed

Match stats0 of 0 landed

Markets to Avoid

Sofia Kenin @ 1.85

Alina Charaeva

Sofia Kenin

Stat Battle