ChinaWTA GuangzhouFinished

Predictions graded

Dayana Yastremska #103Ukraine2Katie Volynets #73United States1

Sets 7-5 · 1-6 · 7-6Tue 27 Oct 2026, 06:05 Predictions gradedFirst RoundHard

Predictions3–730%

Edges1–325%

Player Profiles

Ranking advantageKatie Volynets · 30 places

Dayana Yastremska

Ukraine

Yastremska reached a career-high No. 21 in January 2020. ITF lists hard courts as her preferred surface.

Current ranking: #103
Peak ranking: #21 · 2020
Current age: 26
Preferred surface: Clay
Hand: Right handed
Height: 175 cm

Katie Volynets

United States

Volynets, 24, is the right-hander in this matchup and lists hard courts as her preferred surface. Her career-high singles ranking is No. 56, reached in July 2024.

Current ranking: #73
Peak ranking: #56 · 2024
Current age: 24
Preferred surface: Clay
Hand: Right handed
Height: 170 cm

Quick Take

Pre-match view

Context last updated 26 Oct 2026, 03:34 · Europe/Bucharest

Volynets has the better hard-court season, 10-4 against Yastremska's 5-6, yet Yastremska won their only meeting and has two wins this week.

Volynets looks the likelier winner, but 1.65 to win the match, 1.65 for the opening set, 1.60 for the second and 1.50 on a two-set finish all ask more than the records justify. Nothing quoted here is worth backing.

Context

Yastremska came from a set down to beat Volynets in their only completed meeting.
Yastremska lost the first set and still won, which is the clearest single counter to Volynets' advantage in early sets. It is one match from January 2025, so it speaks to how this matchup can swing rather than to current form.
- Only recorded head-to-head: 7 January 2025, Yastremska won 2-6 6-4 6-1.
- Yastremska lost the opening set and took the next two.
Volynets' second-set record is the strongest split in either player's recent hard-court data.
Winning 12 of 14 second sets is the sharpest number in this matchup and explains why she has closed out so many of her hard-court wins quickly. The sample is 14 matches with one retirement excluded, and she lost the second set 4-6 to Yastremska in their head-to-head.
- Volynets: 12 second sets won, two lost across 14 hard matches, 25 August to 14 October 2026.
- One retirement was excluded from that sample.
- In the January 2025 head-to-head, Volynets lost the second set 4-6.
Yastremska arrives on back-to-back wins in the two days before this first round.
Two wins in two days bring match sharpness and mileage at once; the You match ran three sets and two tiebreaks. Neither opponent was ranked inside the top 100 (Jones 134, You 212), so the results show she is beating what is in front of her rather than that she is ready for a higher-ranked opponent.
- 25 October 2026: beat Emerson Jones (ranked 134) 6-2 6-4.
- 24 October 2026: beat Xiaodi You (ranked 212) 7-6 4-6 7-6.
Yastremska's serve splits show a wide gap between first and second delivery.
The gap of nearly 16 percentage points between first- and second-serve points is wide, and 72 double faults in those 15 matches makes the second delivery a recurring risk. Volynets has no serve figures recorded for her recent hard-court matches, so there is no comparative read on the other side.
- Yastremska, last 15 tracked matches: 60.0% first-serve points won (431/718), 44.2% second-serve points won (192/434).
- Double faults: 72 across 15 matches, 4.8 per match.
- Volynets has no serve metrics available for her recent hard-court matches.

BetBugs edges

Compare BetBugs' chances with the market's.

Other edges · 4

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

Total SetslostUncertainty band: Lean

Under 2.5

1.50fair 1.56

BetBugs 64% · Market 66.7%

−2.7ppshort

Most of their recent hard matches have finished in straight sets.

Set 2 WinnerwonUncertainty band: Lean

Katie Volynets

1.60fair 1.67

BetBugs 60% · Market 62.5%

−2.5ppshort

Volynets has a much stronger second-set record on hard than Yastremska.

Match WinnerlostUncertainty band: Slight lean

Katie Volynets

1.65fair 1.75

BetBugs 57% · Market 60.6%

−3.6ppshort

Volynets has been the more consistent hard-court player and starts sets better.

Set 1 WinnerlostUncertainty band: Slight lean

Katie Volynets

1.65fair 1.79

BetBugs 56% · Market 60.6%

−4.6ppshort

Volynets has the better first-set count and won the opening set in the head-to-head.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result0 of 1 landed

Signal quality Medium · Uncertainty band Slight lean · Market price 1.65
The read
Volynets has been the more consistent hard-court player and starts sets better.
- Volynets is 10-4 on hard and has won 12 of 14 second sets.
- Yastremska is 5-6 on hard and has lost four of 11 first sets.
- Volynets is ranked 73, thirty places above Yastremska.
BetBugs · Match WinnerlostKatie VolynetsEstimated chance57%

Games2 of 4 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
The first-set averages for both players sit under the mark.
- Yastremska's first sets have averaged 8.9 games on hard.
- Volynets's first sets have averaged 9.2 games on hard.
- Combined, the first-set average is about 9.1 games.
BetBugs · Set 1 Total GameslostUnder 9.5Estimated chance56%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
The extra 2.5 games gives Yastremska room even in a narrow loss.
- Yastremska has won 47.3% of games across 11 hard matches.
- Her recent game margins include +6, 0, -6, -7, +3 and -7.
- Volynets has no serve or game-margin metrics available.
BetBugs · Game HandicapwonDayana Yastremska +2.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Both players' second sets have averaged below the mark.
- Yastremska's second sets have averaged 9.4 games on hard.
- Volynets's second sets have averaged 9.2 games on hard.
- Combined, the second-set average is about 9.3 games.
BetBugs · Set 2 Total GameswonUnder 9.5Estimated chance54%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Both players' recent hard-court matches have averaged just under the mark.
- Yastremska's hard matches have averaged 22.1 total games.
- Volynets's hard matches have averaged 22.4 total games.
- Both averages are below 22.5.
BetBugs · Total GameslostUnder 22.5Estimated chance52%

Sets1 of 3 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.50
The read
Most of their recent hard matches have finished in straight sets.
- Yastremska's hard matches have averaged 2.36 sets.
- Volynets's hard matches have averaged 2.36 sets.
- Combined, 16 of 25 hard matches finished in two sets.
BetBugs · Total SetslostUnder 2.5Estimated chance64%
Signal quality Medium · Uncertainty band Lean · Market price 1.60
The read
Volynets has a much stronger second-set record on hard than Yastremska.
- Volynets has won 12 of 14 second sets on hard.
- Yastremska has won 4 of 11 second sets on hard.
- Volynets lost the second set in the head-to-head.
BetBugs · Set 2 WinnerwonKatie VolynetsEstimated chance60%
Signal quality Medium · Uncertainty band Slight lean · Market price 1.65
The read
Volynets has the better first-set count and won the opening set in the head-to-head.
- Volynets has won 9 of 14 first sets on hard.
- Yastremska has won 6 of 11 first sets on hard.
- Volynets took the first set in their only meeting.
BetBugs · Set 1 WinnerlostKatie VolynetsEstimated chance56%

Match stats0 of 1 landed

Signal quality Low · Uncertainty band Strong lean · Not priced
The read
Most of their recent hard matches have not included a tiebreak.
- Yastremska has had a tiebreak in 2 of 11 hard matches.
- Volynets has had a tiebreak in 3 of 14 hard matches.
- Combined, 20 of 25 hard matches had no tiebreak.
BetBugs · Tiebreak in MatchlostNoEstimated chance72%

Prediction history

Katie Volynets: 9/10 recent winner projections matched

9 of 10 comparable winner projections favouring Katie Volynets matched the recorded result. This is a limited recent sample, not a guarantee for this match.

Recent evidence for Katie Volynets10 matches

Date / competitionMatch resultPredictedActualResult

29 Jul·WTA Memphis

#205Iryna Shymanovich0-2#93Katie Volynets

BetBugsKatie Volynets to win·65%

Matched

29 Jul 2026

WTA Memphis

#205Iryna Shymanovich0-2#93Katie Volynets

Katie Volynets to win

65%probability

Katie Volynets won

Matched

27 Jul·WTA Memphis

#93Katie Volynets2-1#51Viktorija Golubic

BetBugsKatie Volynets to win·55%

Matched

27 Jul 2026

WTA Memphis

#93Katie Volynets2-1#51Viktorija Golubic

Katie Volynets to win

55%probability

Katie Volynets won

Matched

9 Jul·WTA Newport

#101Katie Volynets2-0#494Kylie Collins

BetBugsKatie Volynets to win·82%

Matched

9 Jul 2026

WTA Newport

#101Katie Volynets2-0#494Kylie Collins

Katie Volynets to win

82%probability

Katie Volynets won

Matched

8 Jul·WTA Newport

#101Katie Volynets2-1#424Ariana Arseneault

BetBugsKatie Volynets to win·85%

Matched

8 Jul 2026

WTA Newport

#101Katie Volynets2-1#424Ariana Arseneault

Katie Volynets to win

85%probability

Katie Volynets won

Matched

25 Jun·WTA Wimbledon

#99Katie Volynets0-2#133Leolia Jeanjean

BetBugsKatie Volynets to win·65%

Missed

25 Jun 2026

WTA Wimbledon

#99Katie Volynets0-2#133Leolia Jeanjean

Katie Volynets to win

65%probability

Leolia Jeanjean won

Missed

Head-to-Head

1-0 (1 meetings)

W2-6 6-4 6-1Dayana Yastremska#103vKatie Volynets#73Jan 7, 2025

1 total meetings

Previous match context available

Dayana Yastremska

7W 8L

6-2 6-4#134Emerson Jones

7-6(4) 4-6 7-6(3)#212Xiaodi You

6-2 6-4#67Kamilla Rakhimova

6-4 6-1#12Iva Jovic

6-4 5-7 6-3#38Cristina Bucsa

6-1 6-4#76Sinja Kraus

6-3 6-1#11Maja Chwalinska

6-3 6-4#59Caty McNally

6-3 4-6 6-1#107Lucrezia Stefanini

2-6 6-3 7-6(5)#46Janice Tjen

6-1 6-2#69Tatjana Maria

6-3 6-7(1) 6-2#96Jessica Bouzas Maneiro

7-6(1) 4-6 7-5#314Aoi Ito

6-1 6-2#69Tatjana Maria

6-4 7-6(2)#232Alicia Dudeney

Katie Volynets

10W 5L

6-1 3-4 ret.#128Katarzyna Kawa

6-4 4-6 7-6(3)#189Hanyu Guo

6-7(1) 7-6(3) 6-3#41Kimberly Birrell

3-6 6-3 6-4#68Maria Camila Osorio Serrano

6-2 6-1#105Polina Kudermetova

6-0 4-6 7-5#15Elise Mertens

7-5 7-5#155Robin Montgomery

2-6 6-2 7-5#41Kimberly Birrell

6-3 6-0#67Kamilla Rakhimova

6-3 6-0#113Elvina Kalieva

7-5 6-1#8Linda Noskova

6-3 7-5#88Tereza Valentova

6-3 7-6(6)#101Oksana Selekhmeteva

6-2 6-3#84Mananchaya Sawangkaew

6-1 6-1#145Mia Pohankova

Stat Battle

Last 15 match performance, compared side by side.

DYDayana YastremskaYastremska

Last 15

2–7

9 core stats · 0 even

Katie VolynetsVolynetsKV

Katie Volynets carries the stronger recent form — Dayana Yastremska's route runs through serve.

Serve · 2–3

1st Serve In62.3%+12.9pp75.2%

1st Serve Won60.0%+1.6pp58.4%

2nd Serve Won44.2%+4.4pp48.6%

Aces / Match2.7+2.20.5

Double Faults / Match4.83.9 fewer0.9

Return · 0–1

Return Pts Won42.3%+7.4pp49.7%

Pressure · 0–2

Break Pts Converted41.7%+1.0pp42.7%

Break Pts Saved52.0%+6.9pp58.9%

Points · 0–1

Total Pts Won48.2%+4.6pp52.8%

Serve · 2–3

62.3%1st Serve In+12.9pp75.2%

60.0%1st Serve Won+1.6pp58.4%

44.2%2nd Serve Won+4.4pp48.6%

2.7Aces / Match+2.20.5

4.8Double Faults / Match3.9 fewer0.9

Return · 0–1

42.3%Return Pts Won+7.4pp49.7%

Pressure · 0–2

41.7%Break Pts Converted+1.0pp42.7%

52.0%Break Pts Saved+6.9pp58.9%

Points · 0–1

48.2%Total Pts Won+4.6pp52.8%