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Predictions graded

Mirra Andreeva #5Russia2Janice Tjen #370

Sets 6-2 · 6-2Tue 1 Sept 2026, 19:40 Predictions gradedFirst RoundHard

Predictions8–280%

Edges7–0100%

Player Profiles

Ranking advantageMirra Andreeva · 32 places

Mirra Andreeva

Russia

First reached her career-high ranking of No. 5 on July 28, 2025 and remains No. 5. The ITF lists clay as her preferred surface.

Current ranking: #5
Peak ranking: #5 · 2025
Current age: 19
Preferred surface: Clay
Hand: Right handed
Height: 175 cm

Janice Tjen

Indonesian player born 6 May 2002. She reached a career-high singles ranking of No. 36 on 23 February 2026; the official ITF profile lists a 2026 record of 9-9 on hard courts, without establishing a declared preferred surface.

Current ranking: #37
Peak ranking: #36 · 2026
Current age: 24
Preferred surface: —
Hand: Right handed
Height: 171 cm

Quick Take

Pre-match view

Context last updated 29 Aug 2026, 03:09 · Europe/Bucharest

Andreeva is a strong favorite based on ranking, form, and H2H, but the odds are short.

The total games under 20.5 offers slight value, while the game handicap and set 1 under are traps. Expect a straight-set win for Andreeva, but Tjen could push a set.

Context

Andreeva, 19, is ranked No. 5 and coached by Conchita Martinez. She has a strong first serve and has been in solid form on hard courts this season.
Andreeva's first-serve effectiveness on hard courts is a major weapon. Tjen's low break-point conversion rate suggests she will find it difficult to pressure Andreeva's serve, which could lead to comfortable holds and control of the match.
- Andreeva's last 5 hard-court matches: 73.1% first-serve points won.
- Tjen's last 7 hard-court matches: 39.7% break-point conversion rate.
Tjen, 24, is ranked No. 35 and has been grinding through long matches on the North American hard-court swing.
Tjen's recent matches have been physically demanding, with multiple three-setters and an average duration of 129 minutes on hard courts. This could leave her with less energy for a first-round Grand Slam match against a top-five opponent.
- Tjen's last 7 hard-court matches: average duration 129.2 minutes.
- Recent three-set matches: win over Yastremska (2-6 6-3 7-6(5)) and loss to Golubic (7-6(8) 5-7 7-5).
Andreeva and Tjen met once before, on hard court in Cincinnati on August 18, 2026.
Andreeva dominated the first set and held off Tjen in a second-set tiebreak. Tjen's inability to convert break points in that match (0% conversion) suggests she may struggle again against Andreeva's serve and consistency.
- H2H: Andreeva won 6-1 7-6(5) on August 18, 2026.
- In that match, Tjen converted 0% of break points (0/3).
Tjen's return game has been below average this season, and she has struggled to create break-point opportunities.
Tjen's low return-point win percentage indicates she is not putting enough pressure on opponents' serves. Against Andreeva's strong serving, this could lead to quick holds and a straight-sets victory for the higher-ranked player.
- Tjen's last 15 matches: 39.2% return points won.
- Tjen's last 15 matches: 33.3% break-point conversion rate.

BetBugs edges

Compare BetBugs' chances with the market's.

Positive edges · 1

Other edges · 6

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

Match WinnerwonUncertainty band: Strong lean

Mirra Andreeva

1.12fair 1.22

BetBugs 82% · Market 89.3%

0.0ppshort

Andreeva's superior ranking, recent form, and direct H2H win make her a strong favorite, but the odds are slightly short relative to the model estimate.

Set 1 WinnerwonUncertainty band: Strong lean

Mirra Andreeva

1.22fair 1.39

BetBugs 72% · Market 82%

0.0ppshort

Andreeva's strong first-set record and dominant H2H first set support her taking the opener.

Set 2 WinnerwonUncertainty band: Strong lean

Mirra Andreeva

1.20fair 1.47

BetBugs 68% · Market 83.3%

0.0ppshort

Andreeva's higher set-win rate and previous second-set success against Tjen indicate she can close in straight sets.

Total SetswonUncertainty band: Strong lean

Under 2.5

1.30fair 1.47

BetBugs 68% · Market 76.9%

0.0ppshort

The model estimate is below the implied probability, so this line is overpriced and offers no value.

Set BettingwonUncertainty band: Lean

Mirra Andreeva 2-0

1.44fair 1.61

BetBugs 62% · Market 69.4%

0.0ppshort

The model estimate is below the implied probability, so this exact score is overpriced and offers no value.

Game HandicapwonUncertainty band: Lean

Mirra Andreeva -4.5

1.50fair 1.72

BetBugs 58% · Market 66.7%

0.0ppshort

Andreeva's game dominance and previous H2H margin support a handicap cover, but the odds are too short for the model estimate.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result1 of 1 landed

Signal quality High · Uncertainty band Strong lean · Market price 1.12
The read
Andreeva's superior recent form, ranking, and direct hard-court H2H win make her a strong favorite.
- Last 15 overall record: Andreeva 73.3% vs Tjen 33.3%
- Last 15 hard-court record: Andreeva 60% (3-2) vs Tjen 42.9% (3-4)
- H2H on hard (2026-08-18): Andreeva won 6-1 7-6(5)
- Andreeva ranking 5 vs Tjen ranking 35
BetBugs · Match WinnerwonMirra AndreevaEstimated chance82%

Games3 of 4 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.62
The read
Andreeva's efficient wins and the previous H2H total of 20 games suggest a relatively short match.
- Andreeva last 15 average games per match: 19.0 (285/15)
- Tjen last 15 average games per match: 24.1 (361/15)
- H2H total games: 20 (6-1, 7-6)
BetBugs · Total GameswonUnder 20.5Estimated chance62%
Signal quality Medium · Uncertainty band Lean · Market price 1.50
The read
Andreeva's game dominance and previous H2H margin support a handicap cover.
- Andreeva last 15 games won: 60.4%
- Tjen last 15 games won: 45.4%
- H2H game differential: Andreeva +6 (13-7)
BetBugs · Game HandicapwonMirra Andreeva -4.5Estimated chance58%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Andreeva's dominance in the H2H first set suggests a low game count in set 1.
- H2H first set: 6-1 (7 games)
- Andreeva last 15 first-set average: not directly available, but she often wins comfortably
- Tjen lost first set in H2H 1-6
BetBugs · Set 1 Total GameswonUnder 8.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Tjen may push the second set closer, as she did in their previous meeting.
- H2H second set: 7-6(5) (13 games)
- Tjen competitive in second set of H2H
- Tjen last 15 hard-court games won: 48.3%
BetBugs · Set 2 Total GameslostOver 9.5Estimated chance52%

Sets4 of 4 landed

Signal quality Medium · Uncertainty band Strong lean · Market price 1.22
The read
Andreeva's strong first-set record and dominant H2H first set support her taking the opener.
- Andreeva first-set win conversion career: 89%
- Tjen first-set win conversion career: 92% but recent form weaker
- H2H first set: Andreeva won 6-1
BetBugs · Set 1 WinnerwonMirra AndreevaEstimated chance72%
Signal quality Medium · Uncertainty band Strong lean · Market price 1.20
The read
Andreeva's higher set-win rate and previous second-set success against Tjen indicate she can close in straight sets.
- Andreeva last 15 sets won: 72.7%
- Tjen last 15 sets won: 36.1%
- H2H second set: Andreeva won 7-6(5)
BetBugs · Set 2 WinnerwonMirra AndreevaEstimated chance68%
Signal quality Medium · Uncertainty band Strong lean · Market price 1.30
The read
Both players' recent patterns and the H2H result point to a straight-set outcome.
- Andreeva last 15 straight-set wins: 8 of 11 wins (73%)
- Tjen last 15 straight-set losses: 8 of 10 losses (80%)
- H2H was straight sets
BetBugs · Total SetswonUnder 2.5Estimated chance68%
Signal quality Medium · Uncertainty band Lean · Market price 1.44
The read
Andreeva's superior set-win rate and previous straight-set win make 2-0 the most likely exact score.
- Andreeva won H2H 2-0
- Andreeva last 15 sets won: 72.7%
- Tjen last 15 sets won: 36.1%
BetBugs · Set BettingwonMirra Andreeva 2-0Estimated chance62%

Match stats0 of 0 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Both players average around 3-4 aces per match, making over 6.5 plausible.
- Andreeva last 15 aces per match: 2.9
- Tjen last 15 aces per match: 3.9
- Combined average: 6.8 aces per match
BetBugs · Total Acesnot gradableOver 6.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Both players average over 3 double faults per match, making over 6.5 likely.
- Andreeva last 15 double faults per match: 3.1
- Tjen last 15 double faults per match: 3.5
- Combined average: 6.6 double faults per match
BetBugs · Total Double Faultsnot gradableOver 6.5Estimated chance52%

Markets to Avoid

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

The -5.5 handicap is a trap: Andreeva's recent hard-court margins and Tjen's competitiveness suggest the larger spread is unlikely to cover.

Prediction history

Mirra Andreeva has been highly reliable when projected to win

Mirra Andreeva has fulfilled 12 of 15 win predictions, a strong 80% rate. Her average estimated probability was 74%, with an expected 11.1 fulfilled predictions, so she has slightly outperformed expectations. The three misses all came as losses, with no draws or wins for the opponent, and her current 82% probability sits within her historical range of 56% to 92%.

Recent evidence for Mirra Andreeva15 matches

Date / competitionMatch resultPredictedActualResult

1 Jul·WTA Wimbledon

#38Barbora Krejcikova2-1#5Mirra Andreeva

BetBugsMirra Andreeva to win·62%

Missed

1 Jul 2026

WTA Wimbledon

#38Barbora Krejcikova2-1#5Mirra Andreeva

Mirra Andreeva to win

62%probability

Barbora Krejcikova won

Missed

29 Jun·WTA Wimbledon

#58Magda Linette0-2#5Mirra Andreeva

BetBugsMirra Andreeva to win·72%

Matched

29 Jun 2026

WTA Wimbledon

#58Magda Linette0-2#5Mirra Andreeva

Mirra Andreeva to win

72%probability

Mirra Andreeva won

Matched

24 Jun·WTA Bad Homburg

#19Ekaterina Alexandrova2-0#5Mirra Andreeva

BetBugsMirra Andreeva to win·65%

Missed

24 Jun 2026

WTA Bad Homburg

#19Ekaterina Alexandrova2-0#5Mirra Andreeva

Mirra Andreeva to win

65%probability

Ekaterina Alexandrova won

Missed

6 Jun·WTA Roland Garros

#114Maja Chwalinska0-2#8Mirra Andreeva

BetBugsMirra Andreeva to win·85%

Matched

6 Jun 2026

WTA Roland Garros

#114Maja Chwalinska0-2#8Mirra Andreeva

Mirra Andreeva to win

85%probability

Mirra Andreeva won

Matched

2 Jun·WTA Roland Garros

#8Mirra Andreeva2-0#18Sorana Cirstea

BetBugsMirra Andreeva to win·72%

Matched

2 Jun 2026

WTA Roland Garros

#8Mirra Andreeva2-0#18Sorana Cirstea

Mirra Andreeva to win

72%probability

Mirra Andreeva won

Matched

Head-to-Head

1-0 (1 meetings)

W6-1 7-6(5)Mirra Andreeva#5vJanice Tjen#35Aug 18, 2026

1 total meetings

Previous match context available

Mirra Andreeva

11W 4L

4-6 6-0 6-2#11Marta Kostyuk

6-1 7-6(5)#35Janice Tjen

6-1 6-0#46Oleksandra Oliynykova

6-1 6-4#32Leylah Annie Fernandez

6-0 6-2#56Karolina Pliskova

4-6 7-5 6-4#28Barbora Krejcikova

7-5 6-4#78Magda Linette

6-3 6-4#19Ekaterina Alexandrova

6-3 6-2#21Maja Chwalinska

6-1 6-3#11Marta Kostyuk

6-0 6-3#17Sorana Cirstea

6-3 6-2#175Jil Teichmann

6-4 6-2#26Marie Bouzkova

3-6 6-1 6-1#133Marina Bassols Ribera

6-3 6-3#141Fiona Ferro

Janice Tjen

5W 10L

6-4 6-3#74Yuliia Starodubtseva

2-6 6-3 7-6(5)#112Dayana Yastremska

6-1 7-6(5)#5Mirra Andreeva

7-6(8) 5-7 7-5#55Viktorija Golubic

7-6(9) 7-5#45Liudmila Samsonova

1-6 6-3 7-6(7)#22Anna Kalinskaya

6-4 6-2#151Rebecca Sramkova

6-7(5) 6-1 6-4#59Daria Kasatkina

6-1 7-6(3)#32Leylah Annie Fernandez

7-5 6-7(5) 6-3#64Caty McNally

6-3 6-2#79Tatjana Maria

7-6(4) 6-1#176Greetje Minnen

6-1 6-3#62Ashlyn Krueger

6-4 3-6 6-2#227Nao Hibino

6-4 6-3#27Emma Navarro

Stat Battle

Last 15 match performance, compared side by side.

MAMirra AndreevaAndreeva

Last 15

8–1

9 core stats · 0 even

Janice TjenTjenJT

Mirra Andreeva carries the stronger recent form — Janice Tjen's route runs through serve.

Serve · 4–1

1st Serve In63.7%+2.5pp61.2%

1st Serve Won69.6%+4.2pp65.4%

2nd Serve Won48.7%+0.9pp47.8%

Aces / Match2.9+1.03.9

Double Faults / Match3.10.4 fewer3.5

Return · 1–0

Return Pts Won47.3%+8.1pp39.2%

Pressure · 2–0

Break Pts Converted48.1%+14.8pp33.3%

Break Pts Saved64.7%+12.9pp51.8%

Points · 1–0

Total Pts Won54.6%+5.9pp48.7%

Serve · 4–1

63.7%1st Serve In+2.5pp61.2%

69.6%1st Serve Won+4.2pp65.4%

48.7%2nd Serve Won+0.9pp47.8%

2.9Aces / Match+1.03.9

3.1Double Faults / Match0.4 fewer3.5

Return · 1–0

47.3%Return Pts Won+8.1pp39.2%

Pressure · 2–0

48.1%Break Pts Converted+14.8pp33.3%

64.7%Break Pts Saved+12.9pp51.8%

Points · 1–0

54.6%Total Pts Won+5.9pp48.7%

Mirra Andreeva

Janice Tjen

Quick Take

Context

BetBugs edges

Under 20.5

Mirra Andreeva

Mirra Andreeva

Mirra Andreeva

Under 2.5

Mirra Andreeva 2-0

Mirra Andreeva -4.5

Result1 of 1 landed

Games3 of 4 landed

Sets4 of 4 landed

Match stats0 of 0 landed

Markets to Avoid

Mirra Andreeva (-5.5) @ 1.80

Head-to-Head

Mirra Andreeva

Janice Tjen

Stat Battle