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Predictions graded

Caty McNally #70United States0Dayana Yastremska #87Ukraine2

Sets 3-6 · 4-6Wed 30 Sept 2026, 03:05 Predictions gradedFirst RoundHard

Predictions4–544%

Edges0–50%

Player Profiles

Ranking advantageCaty McNally · 17 places

Caty McNally

United States

Reached career-high singles No. 50 on June 22, 2026. She returned from 2024 elbow surgery to the Top 100 in 2025, and her mother, Lynn Nabors-McNally, remains her coach.

Current ranking: #70
Peak ranking: #50 · 2026
Current age: 24
Preferred surface: —
Hand: Right handed
Height: 181 cm

Dayana Yastremska

Ukraine

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

Current ranking: #87
Peak ranking: #21 · 2020
Current age: 26
Preferred surface: Hard
Hand: Right handed
Height: 175 cm

Quick Take

Pre-match view

Context last updated 29 Sep 2026, 05:27 · Europe/Bucharest

McNally brings ten hard-court matches and a straight-sets win over the world No. 6 in this window; Yastremska has lost all three of hers.

McNally should win, and 1.5 is one of three prices with something behind it, alongside McNally 2-1 at 4.25 and a deciding set at 2.4. The pair's only meeting went to Yastremska in two 2021 tiebreaks.

Context

Yastremska has no hard-court win in this window, and three matches are all the hard-court evidence available for her.
Two of the three defeats went to a deciding set, so she has stayed in matches without winning them, and her first sets in the sample average 3.3 games won against 4.7 lost. Three matches cannot settle her current hard-court level on their own, but this is the record she brings into the first round.
- Three completed hard-court matches between 13 and 30 August 2026, all defeats, with two sets won and six lost.
- First sets in the sample average 3.3 games won and 4.7 lost; second sets average 3.7 won and 5.3 lost.
- Scorelines in the sample: one 0-2 defeat and two 1-2 defeats, with one tiebreak.
McNally's hard-court sample splits between an even first set and a clearly stronger second set.
The pattern points to slow starts rather than a broad weakness, since she has recovered in second sets more often than she has led after the first. Four of the ten matches went to a deciding set, which is why a quick, clean win is not the only plausible shape of this first round.
- Ten hard-court matches, 28 July to 2 September 2026: first sets 5-5, second sets 7-3.
- Second sets average 5.4 games won and 4.1 lost, against 4.9 won and 4.9 lost in first sets.
- Scorelines: 2-0 four times, 2-1 twice, 0-2 twice and 1-2 twice; total games average 23.2.
McNally's hard-court record in this window includes a win over one of the highest-ranked opponents she has faced.
Beating the sixth-ranked player in straight sets shows the level her hard-court results have reached, and she finished it by taking the second set 6-1. One match is not a trend, and her recent record also contains a straight-set loss to a higher-ranked player, so this first round tests whether the Noskova result repeats.
- On 5 August 2026 McNally beat Linda Noskova, then ranked No. 6, 7-6(6) 6-1 on hard.
- McNally won 13 games to Noskova's seven in that match.
Yastremska, 26, was competing at the US Open when the strike destroyed her family's home in Odesa on 12 September, about three weeks before this first-round match. The episode is the dominant personal story attached to her this month and frames the off-court context she carries into the opening week in Beijing. There is no evidence that it changed her availability or physical condition, and it is not a factor in how either player plays; it is retained because it is a directly sourced personal circumstance, not because it moves the forecast.
- The family's apartment in the Black Sea port of Odesa was destroyed by a Kalibr missile on the night of 12 September.
- Yastremska posted video of the damaged 22nd floor of the residential block and wrote that a piece of world tennis survived the strike while the family home did not.
- Her post asked the tour and the international federation to look at their neutrality framework through the experience of Ukrainians.
ConfirmedSources checked 29 Sep 2026, 05:25 · Europe/Bucharest

BetBugs edges

Compare BetBugs' chances with the market's.

Positive edges · 3

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result0 of 1 landed

Signal quality Medium · Uncertainty band Strong lean · Market price 1.50
The read
McNally has been beating higher-ranked hard-court opposition while Yastremska has lost three straight hard matches, so McNally holds the clear sporting advantage.
- McNally is 6-4 in 10 hard-court matches in this window; Yastremska is 0-3 on hard
- Hard-court games won/lost: McNally 123-109 (+14 in 10); Yastremska 28-43 (-15 in 3)
- Hard-court sets: McNally 14-10; Yastremska 2-6
- SetEvidence here: McNally won 2-0 four times, Yastremska lost 0-2 once and 1-2 twice
BetBugs · Match WinnerlostCaty McNallyEstimated chance74%

Games2 of 3 landed

Signal quality Low · Uncertainty band Strong lean · Not priced
The read
McNally wins often but rarely by a wide margin, so staying within four games is the more likely outcome for Yastremska.
- McNally's average hard-court game margin is +1.4 per match (123-109)
- Three of McNally's six most recent matches went to a deciding set
- McNally lost 7-12 in games to Anna Kalinskaya and 11-15 to Emma Navarro
BetBugs · Game HandicapwonDayana Yastremska +3.5Estimated chance71%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Both players' recent hard-court matches have produced around 23 games, with the pair combining for a high rate of extended matches.
- McNally's 10 hard matches average 23.2 games; Yastremska's three average 23.7
- SetEvidence total games: McNally 23.2, Yastremska 23.7
- Deciding sets occurred in 6 of the 13 combined setEvidence matches
BetBugs · Total GameslostOver 23.5Estimated chance52%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Yastremska's first sets on hard have been short and lopsided, which keeps the opening set total low.
- Yastremska averages only 8.0 games in first sets on hard
- Yastremska has lost a first set 1-6 to Tatjana Maria on hard
- Neither player has a high first-set tiebreak rate in this window
BetBugs · Set 1 Total GameswonUnder 9.5Estimated chance52%

Sets1 of 3 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.55
The read
McNally's overall hard-court game and set numbers are stronger and she has faced much tougher recent opposition.
- McNally first sets on hard: 5-5, averaging 4.9 games won and 4.9 lost
- Yastremska first sets on hard: 1-2, averaging 3.3 games won and 4.7 lost
- McNally's hard-court game-win rate is 53% versus Yastremska's 39.4%
BetBugs · Set 1 WinnerlostCaty McNallyEstimated chance64%
Signal quality Medium · Uncertainty band Lean · Market price 1.55
The read
McNally has been notably stronger in second sets than first sets, while Yastremska's second-set numbers on hard are the weaker half of her split.
- McNally second sets on hard: 7-3, averaging 5.4 games won and 4.1 lost
- Yastremska second sets on hard: 1-2, averaging 3.7 games won and 5.3 lost
- McNally's second-set record is her strongest part of the setEvidence sample
BetBugs · Set 2 WinnerlostCaty McNallyEstimated chance64%
Signal quality Medium · Uncertainty band Slight lean · Not priced
The read
Straight-set finishes were the largest single group in the samples across both players.
- Seven of thirteen combined setEvidence matches ended in straight sets
- McNally's 2-0 wins appear four times in her ten hard matches
- Yastremska has been beaten 0-2 on hard in this window
BetBugs · Total SetswonUnder 2.5Estimated chance54%

Match stats1 of 1 landed

Signal quality Medium · Uncertainty band Strong lean · Not priced
The read
Both players double-fault heavily, and on this surface their combined rate sits comfortably above the line.
- McNally averages 5.4 double faults per hard-court match (54 in 10)
- Yastremska averages 7.0 double faults per hard-court match (21 in 3)
- Combined hard-court expectation is around 12 double faults per match
BetBugs · Total Double Faultsnot gradableOver 9.5Estimated chance68%
Signal quality Low · Uncertainty band Lean · Not priced
The read
Frequent service breaks on both sides make it more likely sets are decided before 6-6.
- McNally has 82 double faults in 15 matches overall, 54 in 10 on hard
- Yastremska has 21 double faults in 3 hard matches
- Only 4 of 13 combined setEvidence matches featured a tiebreak
BetBugs · Tiebreak in MatchwonNoEstimated chance58%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
McNally barely serves aces, so the combined total depends heavily on Yastremska and on how long the match runs.
- McNally has 10 aces in 10 hard matches (1.0 per match)
- Yastremska's 2.7 aces per hard match come from a three-match sample
- McNally's hard matches average 2.4 sets, limiting total service games
BetBugs · Total Acesnot gradableUnder 3.5Estimated chance52%

Prediction history

Catherine Mcnally: 6/9 recent winner projections matched

6 of 9 comparable winner projections favouring Catherine Mcnally matched the recorded result. This is a limited recent sample, not a guarantee for this match.

Recent evidence for Catherine Mcnally9 matches

Date / competitionMatch resultPredictedActualResult

30 Jul·WTA Memphis

#194Yexin Ma0-2#73Catherine Mcnally

BetBugsCatherine Mcnally to win·62%

Matched

30 Jul 2026

WTA Memphis

#194Yexin Ma0-2#73Catherine Mcnally

Catherine Mcnally to win

62%probability

Catherine Mcnally won

Matched

25 Jun·WTA Eastbourne

#50Catherine Mcnally1-2#51Petra Marcinko

BetBugsCatherine Mcnally to win·65%

Missed

25 Jun 2026

WTA Eastbourne

#50Catherine Mcnally1-2#51Petra Marcinko

Catherine Mcnally to win

65%probability

Petra Marcinko won

Missed

24 Jun·WTA Eastbourne

#50Catherine Mcnally2-0#101Emiliana Arango

BetBugsCatherine Mcnally to win·65%

Matched

24 Jun 2026

WTA Eastbourne

#50Catherine Mcnally2-0#101Emiliana Arango

Catherine Mcnally to win

65%probability

Catherine Mcnally won

Matched

23 Jun·WTA Eastbourne

#43Janice Tjen1-2#54Catherine Mcnally

BetBugsCatherine Mcnally to win·58%

Matched

23 Jun 2026

WTA Eastbourne

#43Janice Tjen1-2#54Catherine Mcnally

Catherine Mcnally to win

58%probability

Catherine Mcnally won

Matched

18 Jun·WTA Nottingham

#87Karolina Pliskova2-0#54Catherine Mcnally

BetBugsCatherine Mcnally to win·58%

Missed

18 Jun 2026

WTA Nottingham

#87Karolina Pliskova2-0#54Catherine Mcnally

Catherine Mcnally to win

58%probability

Karolina Pliskova won

Missed

Head-to-Head

0-1 (1 meetings)

L7-6(3) 7-6(1)Caty McNally#72vDayana Yastremska#111Aug 17, 2021

1 total meetings

Caty McNally

9W 6L

3-6 6-2 6-3#24Emma Navarro

7-5 6-1#255Anouk Koevermans

6-3 6-4#22Anna Kalinskaya

6-3 6-4#77Mccartney Kessler

6-3 5-7 6-4#18Alexandra Eala

7-6(5) 6-1#6Linda Noskova

4-6 7-6(4) 6-1#84Tatjana Maria

6-3 6-4#119Kristina Liutova

6-2 6-3#161Yexin Ma

4-6 6-3 7-6(5)#85Xiyu Wang

6-1 6-2#1Elena Rybakina

7-5 6-3#62Elena Gabriela Ruse

6-3 4-6 6-4#81Petra Marcinko

6-3 6-0#138Emiliana Arango

7-5 6-7(5) 6-3#49Janice Tjen

Dayana Yastremska

8W 7L

6-3 4-6 6-1#125Lucrezia Stefanini

2-6 6-3 7-6(5)#49Janice Tjen

6-1 6-2#84Tatjana Maria

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

7-6(1) 4-6 7-5#361Aoi Ito

6-1 6-2#84Tatjana Maria

6-4 7-6(2)#251Alicia Dudeney

4-6 6-4 7-5#103Ajla Tomljanovic

6-1 6-2#29Sara Bejlek

7-5 6-3#20Jasmine Paolini

6-3 6-3#43Barbora Krejcikova

7-6(5) 6-7(4) 7-6(5)#96Jessica Bouzas Maneiro

6-3 7-5#93Solana Sierra

6-3 6-2#86Hanne Vandewinkel

7-6(3) 6-3#309Victoria Bosio

Stat Battle

Last 15 match performance, compared side by side.

CMCaty McNallyMcNally

Last 15

6–2

9 core stats · 1 even

Dayana YastremskaYastremskaDY

Caty McNally carries the stronger recent form — Dayana Yastremska's route runs through serve.

Serve · 2–2 · 1 even

1st Serve In69.1%+3.6pp65.5%

1st Serve Won61.5%+1.0pp60.5%

2nd Serve Won44.8%—45.5%

Aces / Match1.1+0.81.9

Double Faults / Match5.51.8 fewer3.7

Return · 1–0

Return Pts Won45.2%+1.6pp43.6%

Pressure · 2–0

Break Pts Converted48.9%+8.8pp40.1%

Break Pts Saved54.0%+3.2pp50.8%

Points · 1–0

Total Pts Won50.8%+1.5pp49.3%

Serve · 2–2 · 1 even

69.1%1st Serve In+3.6pp65.5%

61.5%1st Serve Won+1.0pp60.5%

44.8%2nd Serve Won—45.5%

1.1Aces / Match+0.81.9

5.5Double Faults / Match1.8 fewer3.7

Return · 1–0

45.2%Return Pts Won+1.6pp43.6%

Pressure · 2–0

48.9%Break Pts Converted+8.8pp40.1%

54.0%Break Pts Saved+3.2pp50.8%

Points · 1–0

50.8%Total Pts Won+1.5pp49.3%

Caty McNally #70United States0Dayana Yastremska #87Ukraine2

Player Profiles

Caty McNally

Dayana Yastremska

Quick Take

Context

BetBugs edges

Caty McNally

Over 2.5

Caty McNally 2-1

Caty McNally

Caty McNally

BetBugs probabilities

Result0 of 1 landed

Games2 of 3 landed

Sets1 of 3 landed

Match stats1 of 1 landed

Catherine Mcnally: 6/9 recent winner projections matched

Head-to-Head

Caty McNally

Dayana Yastremska

Stat Battle