ChinaWTA GuangzhouFinished

Predictions graded

Xinran Sun #415China2Claire Liu #95United States0

Sets 7-5 · 7-6Fri 30 Oct 2026, 10:00 Predictions gradedQuarter-FinalHard

Predictions2–820%

Edges1–233%

Player Profiles

Ranking advantageClaire Liu · 320 places

Xinran Sun

China

Sun, 16, is the reigning US Open junior champion and the ITF junior world No. 1, and she is making her WTA 1000 main-draw debut in Beijing on a wildcard. Nearly all of her recent matches have come at ITF level on clay, so her senior hard-court profile is barely established.

Current ranking: #415
Peak ranking: —
Current age: 16
Preferred surface: Hard
Hand: —
Height: —

Claire Liu

United States

American right-hander born 25 May 2000. Her documented singles career high is No. 52; official WTA ranking history shows a substantial 2026 rise from outside the top 200 earlier in the season.

Current ranking: #95
Peak ranking: #52
Current age: 26
Preferred surface: Clay
Hand: Right handed
Height: 170 cm

Quick Take

Pre-match view

Context last updated 29 Oct 2026, 15:08 · Europe/Bucharest

A 16-year-old home wildcard, Xinran Sun, meets higher-ranked Claire Liu for a place in the Guangzhou semi-finals after Sun's three-set win and Liu's reported round-of-16 win.

Liu is the likelier winner and a straight-set finish is the likeliest shape, but the 1.5 on Liu, 1.45 on under 2.5 sets and 1.8 on under 21.5 games all ask for more than the evidence justifies. No quoted price is worthwhile.

Context

Sun’s three-set win over seventh seed Timofeeva is the immediate route into this fixture. It gives the match a current-tournament milestone beyond the stored recent-results sample, with the 16-year-old wildcard now in a WTA quarter-final. The result establishes the occasion of this match rather than a separate availability or court-condition factor.
- Sun’s win over Maria Timofeeva sent her into the Guangzhou quarter-finals.
ReportedSources checked 29 Oct 2026, 15:04 · Europe/BucharestTennis Majors match pagewww.tennismajors.com · 29 Oct 2026
Liu arrived at this match through a round-of-16 win over Siniakova . That result places both players at the same late stage of the event and identifies the direct current-event route to this fixture. It is useful tournament context, but it does not establish a separate fitness or preparation development.
- Liu’s victory over Katerina Siniakova placed her in the quarter-finals.
ReportedSources checked 29 Oct 2026, 15:04 · Europe/BucharestTennis Majors match pagewww.tennismajors.com · 29 Oct 2026
Liu's 15-match hard-court sample runs from 12 August to 27 October 2026.
Claire Liu's straight-set results are not one-sided: they include both quick wins and clear defeats, so the pattern says more about match length than about control. Sun's three-set win on 29 October is a reminder that this quarter-final can still stretch to a third set.
- Claire Liu's 15 tracked hard-court matches from 12 August to 27 October 2026 include 12 straight-set finishes.
- Seven were 2-0 wins for Liu and five were 0-2 losses.
- Liu's hard-court matches average 2.2 sets.
The listed venue and quarter-final stage define the immediate setting for this match. Both players earned their places through round-of-16 wins, making this a next-day tournament progression. The listing supplies event context rather than an asymmetric workload or availability factor.
- The match is listed as a Guangzhou quarter-final at Guangzhou International Tennis Center on 30 October.
ReportedSources checked 29 Oct 2026, 15:04 · Europe/BucharestTNT Sports live match pagewww.tntsports.co.uk · 29 Oct 2026

BetBugs edges

Compare BetBugs' chances with the market's.

Other edges · 3

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

Total SetswonUncertainty band: Strong lean

Under 2.5

1.45fair 1.47

BetBugs 68% · Market 69%

−1.0ppshort

Both players' hard-court results mostly ended in two sets, making under 2.5 the more likely outcome.

Match WinnerlostUncertainty band: Slight lean

Claire Liu

1.50fair 1.75

BetBugs 57% · Market 66.7%

−9.7ppshort

Liu has the deeper hard-court record and better ranking, while Sun's strong run covers only four matches.

Total GameslostUncertainty band: Slight lean

Under 21.5

1.80fair 1.89

BetBugs 53% · Market 55.6%

−2.6ppshort

Liu's larger sample points to a shorter match, with most of her results finishing in straight sets.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result0 of 1 landed

Signal quality Medium · Uncertainty band Slight lean · Market price 1.50
The read
Liu has the deeper hard-court record and better ranking, while Sun's strong run covers only four matches.
- Claire Liu is ranked 95 and has a 9-6 hard-court record in the tracked 15 matches.
- She has won 55% of games and 52.5% of total points on hard courts.
- Xinran Sun is 3-1 on hard courts but has only four tracked hard matches.
- Sun played a three-set match yesterday; Liu last played on 27 October.
BetBugs · Match WinnerlostClaire LiuEstimated chance57%

Games1 of 4 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Both players' first-set games averages sit near or above 9.5, and Liu's recent first sets often passed it.
- Sun's first sets average 10.0 total games on hard courts.
- Claire Liu's first sets average 9.7 total games on hard courts.
- Liu's last six first sets went over 9.5 games five times.
BetBugs · Set 1 Total GameswonOver 9.5Estimated chance54%
Signal quality Medium · Uncertainty band Slight lean · Market price 1.80
The read
Liu's larger sample points to a shorter match, with most of her results finishing in straight sets.
- Claire Liu's 15 hard-court matches average 20.7 total games.
- Seven of Liu's 15 hard-court matches were 2-0 wins and five were 0-2 losses.
- Sun's four hard-court matches average 23 total games.
BetBugs · Total GameslostUnder 21.5Estimated chance53%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Liu's second sets have generally been shorter, making under 9.5 slightly more likely.
- Liu's second sets average 8.93 total games on hard courts.
- Sun's second sets average 9.75 total games on hard courts.
- Liu has several 6-1 or 6-3 second sets in her recent hard-court wins.
BetBugs · Set 2 Total GameslostUnder 9.5Estimated chance53%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Liu's average game margin is just above the -1.5 line, so she has a fair chance to win by two or more games.
- Claire Liu's hard-court game margin is +31 over 15 matches, an average of +2.07 games.
- The -1.5 game handicap needs a winning margin of at least two games.
- Liu has seven 2-0 wins in 15 hard-court matches.
BetBugs · Game HandicaplostClaire Liu -1.5Estimated chance53%

Sets1 of 3 landed

Signal quality Medium · Uncertainty band Strong lean · Market price 1.45
The read
Both players' hard-court results mostly ended in two sets, making under 2.5 the more likely outcome.
- Claire Liu's 15 hard-court matches average 2.2 sets.
- Twelve of Liu's 15 hard-court matches finished in straight sets.
- Three of Sun's four hard-court matches finished in straight sets.
BetBugs · Total SetswonUnder 2.5Estimated chance68%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Liu's larger first-set sample gives her a slight advantage despite Sun's strong starts.
- Claire Liu has a 9-6 first-set record in 15 hard-court matches.
- Sun's first-set record is 3-1 in only four hard-court matches.
- Liu's overall hard-court record is 9-6.
BetBugs · Set 1 WinnerlostClaire LiuEstimated chance53%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Liu's larger sample gives her a small advantage in the second set.
- Claire Liu has an 8-7 second-set record in 15 hard-court matches.
- Sun has a 2-2 second-set record in four hard-court matches.
- Liu won the second set in recent wins over Ruzic, Inglis and Sawashiro.
BetBugs · Set 2 WinnerlostClaire LiuEstimated chance53%

Match stats0 of 1 landed

Signal quality Low · Uncertainty band Strong lean · Not priced
The read
Most of both players' recent hard-court matches avoided tiebreaks.
- Three of 19 combined hard-court matches contained a tiebreak.
- Sun has one tiebreak in four hard-court matches.
- Liu has two tiebreaks in 15 hard-court matches.
BetBugs · Tiebreak in MatchlostNoEstimated chance76%

Previous match context available

Xinran Sun

10W 5L

6-3 4-6 7-6(3)#72Maria Timofeeva

6-3 6-4#84Mananchaya Sawangkaew

7-5 6-1#5Cori Gauff

6-4 7-5#38Cristina Bucsa

6-1 3-0 ret.#137Eva Lys

6-2 6-2#343Luna Vujovic

6-2 6-3—Mariia Masiianskaia

6-1 6-1—Nadja Mladenovic

6-4 7-6(5)#372Varvara Panshina

6-0 6-3#422Elena Milovanovic

7-6(1) 6-2#465Anja Stankovic

6-4 6-3#419Valentina Ivanov

6-2 6-1#727Mia Horvit

6-0 6-2—Mariya Yemshanova

6-4 6-1#397Lucija Ciric Bagaric

Claire Liu

9W 6L

4-6 7-6(5) 6-4#91Antonia Ruzic

6-4 6-3#77Magda Linette

6-4 6-3#133Maddison Inglis

6-1 6-1#601Kanon Sawashiro

7-6(4) 6-4#53Lanlana Tararudee

7-5 6-4#146Rebecca Sramkova

6-1 6-1#157Elsa Jacquemot

6-3 7-5#114Mary Stoiana

6-0 2-6 7-5#72Anna Blinkova

6-2 6-4#92Leolia Jeanjean

7-5 6-1#86Kaitlin Quevedo

6-3 6-3#183Varvara Lepchenko

7-5 6-0#212Xiaodi You

4-6 6-2 6-4#384Heather Watson

6-4 6-3#76Sinja Kraus

Stat Battle

Last 15 match performance, compared side by side.

XSXinran SunSun

Last 15

3–5

9 core stats · 1 even

Claire LiuLiuCL

Claire Liu carries the stronger recent form — Xinran Sun's route runs through pressure.

Serve · 1–4

1st Serve In57.5%+2.5pp60.0%

1st Serve Won63.0%+4.2pp67.2%

2nd Serve Won47.6%+2.5pp50.1%

Aces / Match1.4+2.84.2

Double Faults / Match2.51.2 fewer3.7

Return · 1–0

Return Pts Won49.6%+4.8pp44.8%

Pressure · 1–1

Break Pts Converted52.0%+9.0pp43.0%

Break Pts Saved45.7%+10.9pp56.6%

Points · 0–0 · 1 even

Total Pts Won53.0%—52.5%

Serve · 1–4

57.5%1st Serve In+2.5pp60.0%

63.0%1st Serve Won+4.2pp67.2%

47.6%2nd Serve Won+2.5pp50.1%

1.4Aces / Match+2.84.2

2.5Double Faults / Match1.2 fewer3.7

Return · 1–0

49.6%Return Pts Won+4.8pp44.8%

Pressure · 1–1

52.0%Break Pts Converted+9.0pp43.0%

45.7%Break Pts Saved+10.9pp56.6%

Points · 0–0 · 1 even

53.0%Total Pts Won—52.5%