United KingdomATP WimbledonFinished

Predictions graded

Chun Hsin Tseng #234Taiwan0Gustavo Heide #187Brazil2

Sets 6-7 · 4-6Mon 22 Jun 2026, 15:33 Predictions gradedQ1Grass

Predictions4–450%

Edges2–167%

Player Profiles

Ranking advantageGustavo Heide · 47 places

Chun Hsin Tseng

Taiwan

Career-high No. 83 on 2022-08-08. ATP's official bio lists grass as his favourite surface and Wimbledon as his favourite tournament. He returned to Wimbledon’s main draw in 2025 after qualifying.

Current ranking: #234
Peak ranking: #83 · 2022
Current age: 24
Preferred surface: Grass
Hand: Right handed
Height: 175 cm

Gustavo Heide

Brazil

Career-high No. 142 on 2024-08-19. ATP's official bio lists clay as his favourite surface. His recent standout results include Challenger titles in Campinas in April 2026 and Poznan in June 2026.

Current ranking: #187
Peak ranking: #142 · 2024
Current age: 24
Preferred surface: Clay
Hand: Right handed
Height: 191 cm

Quick Take

Pre-match view

Context last updated 22 Jun 2026, 01:38 · Europe/Bucharest

Tseng's grass affinity and 1-0 H2H edge make him a slight favorite over Heide, who has zero career grass wins and all recent success on clay.

Back Tseng to win at 1.95 and over 22.5 total games at 1.80, but avoid set 1 over 9.5 games and Heide in set 1 winner markets.

Context

Heide's career surface wins: 167 clay, 23 hard, 0 grass.
- His only grass appearance was a loss in 2024.
- All 15 of his recent matches in the supplied data were on clay.
ATP bio: favourite surface grass, favourite tournament Wimbledon.
- Tseng qualified for Wimbledon main draw in 2025.
- He won a grass-court match this month against Roca Batalla.
H2H: Tseng won 7-6(2) 6-2 on clay in August 2024.
- Tseng won 82% of first-serve points in that match, Heide 64%.
- Heide's return points won was only 31%.

BetBugs edges

Compare BetBugs' chances with the market's.

Positive edges · 2

Other edges · 1

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

Set 1 Total GameswonUncertainty band: Slight lean

Over 9.5

1.59fair 1.82

BetBugs 55% · Market 62.9%

0.0ppshort

The model's 55% estimate is below the 62.9% implied probability, so this is a negative edge and should be avoided.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result0 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.95
The read
Tseng's surface comfort and H2H edge give him a slight advantage over Heide, who has no grass pedigree and whose strong recent form is entirely on clay.
- Tseng leads H2H 1-0, winning 7-6(2) 6-2 on clay in 2024.
- Tseng's grass record is limited but he reached Wimbledon main draw in 2025 and lists grass as favorite surface.
- Heide has 0 career grass wins and all recent success is on clay.
- Tseng's recent form includes a win over Roca Batalla (rank 320) and competitive loss to Djere (rank 225) on grass.
BetBugs · Match WinnerlostChun Hsin TsengEstimated chance58%

Games3 of 3 landed

Signal quality Medium · Uncertainty band Lean · Not priced
The read
With both players having decent serve stats and limited grass experience, the match is likely to feature close sets and exceed 21.5 games.
- Tseng's last 5 matches on grass averaged 21.4 total games, with 3 of 5 going over 21.5.
- Heide's recent clay matches often feature tight sets; his last 5 matches averaged 19.6 games, but grass may extend games due to serve dynamics.
- Both players have break point save rates around 60%, suggesting holds and potential tiebreaks.
BetBugs · Total GameswonOver 21.5Estimated chance62%
Signal quality Low · Uncertainty band Slight lean · Market price 1.59
The read
The first set is likely to be competitive with both players adjusting to grass, favoring a total over 9.5 games.
- Tseng's recent grass sets: 6-3, 4-6, 6-4, 6-2, 7-6(1) – many sets over 9.5.
- Heide's recent sets on clay often go to 10+ games, e.g., 7-6, 7-5, 6-4.
- H2H first set was 7-6.
BetBugs · Set 1 Total GameswonOver 9.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Momentum may not shift dramatically, leading to another competitive set with over 9.5 games.
- In Tseng's last 5 matches, second sets averaged 9.8 games.
- Heide's second sets on clay often exceed 9.5, e.g., 7-5, 6-4, 6-3.
- If first set is close, second set likely remains tight.
BetBugs · Set 2 Total GameswonOver 9.5Estimated chance52%

Sets0 of 1 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Tseng's surface familiarity and strong first-set record suggest he may start better on grass against a clay-court specialist.
- Tseng won the first set in their only H2H meeting.
- Tseng's first-set win conversion rate is 84% career, indicating strong starts.
- Heide's first-set win conversion is 88%, but on grass he is unproven.
BetBugs · Set 1 WinnerlostChun Hsin TsengEstimated chance55%

Match stats0 of 0 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Heide's higher ace rate and the grass surface should push total aces over 8.5, even in a best-of-three match.
- Heide's ace rate is 6.8% (career), Tseng's is 3.7%.
- In their H2H, Tseng hit 6 aces, Heide 1 ace in two sets.
- Grass typically increases ace counts; combined average could exceed 8.5.
BetBugs · Total AcesOver 8.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Both players' double fault rates, especially Heide's, suggest a combined total over 5.5 is likely.
- Heide's double fault rate is 5.3%, Tseng's is 3.4%.
- In H2H, they combined for 7 double faults in two sets.
- Grass can lead to more double faults due to lower bounce and aggressive serving.
BetBugs · Total Double FaultsOver 5.5Estimated chance52%

Head-to-Head

1-0 (1 meetings)

W7-6(2) 6-2Chun Hsin Tseng#234vGustavo Heide#187Aug 2, 2024

1 total meetings

Chun Hsin Tseng

8W 7L

6-3 4-6 6-4#225Laslo Djere

6-2 7-6(1)#320Oriol Roca Batalla

6-4 6-0#506Juan Cruz Martin Manzano

6-3 6-4#287Maxim Mrva

7-6(8) 6-1#375Dimitar Kuzmanov

6-7(2) 7-6(7) 7-6(4)#176Timofey Skatov

6-4 1-6 6-3#150Moez Echargui

5-7 6-2 7-6(4)#165Lukas Neumayer

2-6 6-2 7-6(5)#220Pol Martin Tiffon

7-5 6-3#227Lautaro Midon

6-1 6-4#241Pedro Boscardin Dias

6-3 6-1#242David Goffin

7-5 6-1#148Rei Sakamoto

6-2 6-3#418Andrey Chepelev

7-6(2) 6-4#127Facundo Diaz Acosta

Gustavo Heide

12W 3L

6-2 6-2#127Facundo Diaz Acosta

2-6 7-5 6-2#110Dalibor Svrcina

7-6(5) 3-6 6-4#106Jan Choinski

6-3 6-3#287Maxim Mrva

6-2 6-2#303Daniel Michalski

6-1 6-4#152Jurij Rodionov

6-3 6-0#240Dan Added

6-2 6-2#225Laslo Djere

5-7 6-1 6-2#127Facundo Diaz Acosta

6-4 1-6 6-1#143August Holmgren

6-4 6-2#268Martin Krumich

6-4 7-6(3)#153Stefanos Sakellaridis

2-6 6-0 6-0#307Lilian Marmousez

6-2 7-5#183Gonzalo Bueno

7-6(1) 6-2#241Pedro Boscardin Dias