SingaporeWTA SingaporeFinished

Predictions graded

Vivian Wolff #241Germany0Oleksandra Oliynykova #44Ukraine2

Sets 1-6 · 6-7Tue 22 Sept 2026, 03:09 Predictions gradedFirst RoundI.hard

Predictions7–188%

Edges2–250%

Player Profiles

Ranking advantageOleksandra Oliynykova · 197 places

Vivian Wolff

Germany

Wolff, 27, is right-handed. Her career-high singles ranking is No. 240, achieved in August 2026.

Current ranking: #241
Peak ranking: #240 · 2026
Current age: 27
Preferred surface: —
Hand: Right handed
Height: —

Oleksandra Oliynykova

Ukraine

Ukrainian right-hander who lists clay as her preferred surface. Her No. 44 ranking on July 27, 2026 was also her career high.

Current ranking: #44
Peak ranking: #44 · 2026
Current age: 25
Preferred surface: Clay
Hand: Right handed
Height: —

Quick Take

Pre-match view

Context last updated 20 Sep 2026, 06:09 · Europe/Bucharest

Oliynykova is the rightful favourite on ranking and quality of opposition, but her hard-court form (3-4, 46.5% games won) makes the 1.30 match price and short set/handicap quotes poor value.

The strongest edges are Over 21.5 games (+10.4pts) and Over 2.5 sets (+13.5pts), with Under 6.5 aces and Over 6.5 double faults also supported by both players' serve profiles.

Context

Oliynykova, 41st, is a right-hander whose career is built on clay: 287 of her 309 match wins have come on the surface. She has played 19 clay events in 2026 compared to eight on hard courts.
Her last-15 hard-court sample shows a 3-4 record with 43.9% return points won, well below her clay numbers. The surface switch is a real adjustment, though her two most recent hard-court wins came against top-50 opposition in Mayar Sherif and Elvina Kalieva.
- Oliynykova is 5-2 on clay in her last 15 matches, with 49.8% return points won and 75.6% first serves in.
- On hard courts in the same window she is 3-4, with return points won dropping to 43.9% and first serves in to 62%.
- Her 2026 surface record shows 19 clay wins against 10 losses, but only 3 hard-court wins against 5 losses.
Wolff, 231st, is a German player whose career has been clay-heavy: 132 of her 216 match wins have come on the surface. She has played 15 matches in the last 15 recorded, all on clay.
Her last-15 record is 7-8 with 47.1% games won and 44% break points converted. The move to indoor hard adds uncertainty, though her 2026 hard-court record of 13-7 is better than her clay mark.
- Wolff has lost four of her last five matches, with the only win coming against world No. 646 Merel Hoedt.
- Her last-15 overall record is 7-8, with 47.1% games won and 44% break points converted.
- In 2026 she is 13-7 on hard courts but 9-12 on clay.
Oliynykova reached a career-high ranking inside the top 50 after a 2025 season with 58 clay-court wins. Wolff has spent most of her career outside the top 200.
The ranking difference is the clearest separator, but Wolff's 2026 hard-court record of 13-7 shows she can compete on the surface. Oliynykova's hard-court form in the last 15 matches is only 3-4, so the gap may not translate directly.
- Oliynykova is ranked 41st; Wolff is ranked 231st.
- Oliynykova has a 66.5% career win rate compared to Wolff's 57%.
- Oliynykova's 2026 hard-court record is 3-5, while Wolff's is 13-7.
Oliynykova, 41st and right-handed, is the higher-ranked player in this first-round match in Singapore.
She is not part of Ukraine's Billie Jean King Cup Finals squad for September 22-27, so no national-team week sits on top of this tournament. That removes one workload question, though it says nothing about her form or fitness.
- Her September 7 statement confirmed that she would not travel with Ukraine’s Finals squad.
- A September 19 squad update continued to list her as replaced.
- Stored recent sample: 2 wins from 5 tracked matches.
ReportedSources checked 20 Sep 2026, 06:08 · Europe/BucharestSport.uasport.ua · 7 Sep 2026

BetBugs edges

Compare BetBugs' chances with the market's.

Positive edges · 2

Other edges · 2

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

Match WinnerwonUncertainty band: Strong lean

Oleksandra Oliynykova

1.30fair 1.47

BetBugs 68% · Market 76.9%

0.0ppshort

The model's 68% is below the 76.9% implied by the price, so the favourite is overpriced rather than a value play.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result1 of 1 landed

Signal quality Medium · Uncertainty band Strong lean · Market price 1.30
The read
Oliynykova's far higher ranking, superior recent win rate and much stronger quality-of-opposition trend (Core 5 signal 3) outweigh Wolff's modest hard-court surface record, even though Oliynykova's own hard-court form is only 3-4 in the last 15.
- Ranking gap: Oliynykova WTA No. 41 vs Wolff No. 231 (2026 season).
- Last-15 overall: Oliynykova 8-7 (53.3%) vs Wolff 7-8 (46.7%); Oliynykova also leads sets won 51.5% vs 44.4%.
- Recent quality of opposition: Oliynykova's last 5 include wins over Mayar Sherif (No. 48) and Elvina Kalieva (No. 113) plus losses to Andreeva (No. 5), Parry (No. 30) and Eala (No. 18).
- Wolff's last 5 are all clay losses/wins vs opponents ranked 242-471, including a 6-1 6-1 loss to Pia Lovric (No. 471).
BetBugs · Match WinnerwonOleksandra OliynykovaEstimated chance68%

Games1 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 2.10
The read
Both players' recent windows show long, break-heavy matches and near-even games-won rates, so a three-set or tight two-set scoreline pushing past 21.5 games is the more likely shape.
- Wolff last-15 average match duration 113.2 minutes across 15 matches, with 6 of her last 15 going to a deciding set.
- Oliynykova last-15 average duration 104.4 minutes, with 5 three-set matches in the window.
- Both players' games-won rates sit near 47-48% in the last 15, indicating competitive, break-heavy sets rather than blowouts.
BetBugs · Total GameswonOver 21.5Estimated chance58%

Sets2 of 3 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.36
The read
Oliynykova's higher first-serve percentage and strong first-set conversion rate, combined with Wolff's habit of slow starts in the recent window, give the away player the early-set edge.
- Oliynykova career first-set win conversion 90% vs Wolff 84%.
- Oliynykova last-15 first-serve in 69.9% vs Wolff 62.3%, giving her a more reliable early hold base.
- Wolff has lost the opening set in 4 of her last 5 matches (Tubello, Cherubini, Laboutkova, Lovric).
BetBugs · Set 1 WinnerwonOleksandra OliynykovaEstimated chance63%
Signal quality Low · Uncertainty band Lean · Not priced
The read
Oliynykova's slightly better second-serve and break-point-save numbers, plus Wolff's recent second-set struggles, give the away player the edge in set two.
- Oliynykova's last-15 second-serve points won (42.4%) edges Wolff's (40.9%).
- Oliynykova's break-points-saved rate in the last 15 is 55.2% vs Wolff's 51.9%.
- Wolff has lost the second set in 4 of her last 5 matches.
BetBugs · Set 2 WinnerwonOleksandra OliynykovaEstimated chance60%
Signal quality Medium · Uncertainty band Slight lean · Market price 2.60
The read
Neither player's recent window shows straight-set dominance, and both have a meaningful share of three-set matches, making a decider a coin-flip-plus proposition.
- Wolff has played a deciding set in 6 of her last 15 matches (40%).
- Oliynykova has played a deciding set in 5 of her last 15 matches (33%).
- Both players' last-15 sets-won rates are close (51.5% vs 44.4%), suggesting neither dominates in straight sets.
BetBugs · Total SetslostOver 2.5Estimated chance52%

Match stats1 of 1 landed

Signal quality Medium · Uncertainty band Lean · Not priced
The read
Both players generate very few aces per match in the recent window, making a low combined ace total the strongly supported serve-profile angle.
- Wolff last-15 aces per match: 0.9 (14 aces in 15 matches).
- Oliynykova last-15 aces per match: 0.7 (10 aces in 15 matches).
- Both players' career ace totals are low relative to matches played (267 in 379 and 288 in 465).
BetBugs · Total Acesnot gradableUnder 6.5Estimated chance62%
Signal quality Medium · Uncertainty band Lean · Not priced
The read
Both players' recent double-fault rates are high enough that a combined total above 6.5 is well supported by the last-15 serve data.
- Wolff last-15 double faults per match: 4.4 (66 in 15 matches).
- Oliynykova last-15 double faults per match: 3.9 (58 in 15 matches).
- Combined recent average is roughly 8.3 double faults per match.
BetBugs · Total Double Faultsnot gradableOver 6.5Estimated chance60%
Signal quality Medium · Uncertainty band Slight lean · Not priced
The read
Both players' recent windows show regular tiebreak appearances and near-even games-won rates, supporting at least one tiebreak in the match.
- Wolff's last 15 matches include 5 tiebreaks across her recent scorelines.
- Oliynykova's last 15 include 4 tiebreaks, including two in a single match vs Ipek Oz.
- Both players' career tiebreak win rates are 53%, indicating frequent tiebreak involvement.
BetBugs · Tiebreak in MatchwonYesEstimated chance55%

Vivian Wolff

7W 8L

6-4 6-3#242Alice Tubello

7-6(6) 6-1#395Diletta Cherubini

6-3 7-6(5)#354Madison Sieg

6-7(5) 6-4 6-1#404Aneta Laboutkova

6-1 6-1#471Pia Lovric

6-1 6-3#646Merel Hoedt

6-4 6-3#271Ane Mintegi Del Olmo

6-3 1-6 6-4#535Astrid Lew Yan Foon

6-4 6-0#186Teodora Kostovic

4-6 7-6(5) 6-4#263Alicia Herrero Linana

3-6 6-4 6-3#111Julia Grabher

3-6 7-5 7-6(7)#543Ida Wobker

6-3 6-2#357Radka Zelnickova

6-1 7-6(3)#134Jeline Vandromme

7-6(5) 0-6 7-6(5)#378Dalila Jakupovic

Oleksandra Oliynykova

8W 7L

6-1 6-4#18Alexandra Eala

6-4 6-4#390Reese Brantmeier

6-4 7-6(3)#30Diane Parry

6-3 6-4#48Mayar Sherif

6-1 6-0#5Mirra Andreeva

6-4 6-1#113Elvina Kalieva

6-4 6-4#45Karolina Pliskova

7-6(3) 3-6 6-2#145Leyre Romero Gormaz

6-2 3-6 7-5#313Nastasja Mariana Schunk

6-3 6-1#48Mayar Sherif

6-4 7-5#301Clara Burel

6-1 6-2#192Elena Pridankina

7-6(1) 7-6(5)#396Ipek Oz

5-7 6-2 7-5#104Moyuka Uchijima

6-0 6-0#73Mccartney Kessler

Stat Battle

Last 15 match performance, compared side by side.

VWVivian WolffWolff

Last 15

1–5

9 core stats · 3 even

Oleksandra OliynykovaOliynykovaOO

Oleksandra Oliynykova carries the stronger recent form — Vivian Wolff's route runs through serve.

Serve · 1–3 · 1 even

1st Serve In62.3%+7.6pp69.9%

1st Serve Won58.1%+3.7pp54.4%

2nd Serve Won40.9%+1.5pp42.4%

Aces / Match0.9—0.7

Double Faults / Match4.40.5 fewer3.9

Return · 0–0 · 1 even

Return Pts Won46.2%—46.6%

Pressure · 0–2

Break Pts Converted44.0%+4.5pp48.5%

Break Pts Saved51.9%+3.3pp55.2%

Points · 0–0 · 1 even

Total Pts Won49.0%—48.7%

Serve · 1–3 · 1 even

62.3%1st Serve In+7.6pp69.9%

58.1%1st Serve Won+3.7pp54.4%

40.9%2nd Serve Won+1.5pp42.4%

0.9Aces / Match—0.7

4.4Double Faults / Match0.5 fewer3.9

Return · 0–0 · 1 even

46.2%Return Pts Won—46.6%

Pressure · 0–2

44.0%Break Pts Converted+4.5pp48.5%

51.9%Break Pts Saved+3.3pp55.2%

Points · 0–0 · 1 even

49.0%Total Pts Won—48.7%