United KingdomATP WimbledonFinished

Predictions graded

Jakub Mensik #17Czechia3Toby Samuel #142United Kingdom2

Sets 5-7 · 6-3 · 6-3 · 3-6 · 7-6Tue 30 Jun 2026, 13:37 Predictions gradedFirst RoundGrass

Predictions3–538%

Edges1–325%

Player Profiles

Ranking advantageJakub Mensik · 125 places

Jakub Mensik

Czechia

Career-high No. 12 on 2026-03-02. ATP Tour bio lists hard courts as his favourite surface. Reached the 2026 French Open semifinal and is defending Wimbledon third-round points from 2025.

Current ranking: #17
Peak ranking: #12 · 2026
Current age: 20
Preferred surface: Hard
Hand: Right handed
Height: 196 cm

Toby Samuel

United Kingdom

Career-high No. 142 on 2026-06-22 after rising from outside the Top 1000 in June 2025 into the Top 200 by March 2026. ATP Tour bio notes a 15-match winning streak, three titles from February to March 2026, and a 2026 Roland Garros main-draw debut.

Current ranking: #142
Peak ranking: #142 · 2026
Current age: 23
Preferred surface: —
Hand: Right handed
Height: 191 cm

Quick Take

Pre-match view

Context last updated 29 Jun 2026, 08:49 · Europe/Bucharest

Mensik’s elite serve and recent Slam semifinal form make him a heavy favorite over wildcard Samuel, whose grass struggles against top-100 players and lack of best-of-five experience point to a one-sided match.

The best value is Mensik to win 3-0 at 2.90, with additional edges on the game handicap (-4.5) and over 18.5 aces. Avoid the under 38.5 total games, as Samuel’s holding ability could extend the match.

Context

Mensik made the 2026 French Open semifinal, losing to Zverev in four sets.
- He beat No. 27 Fonseca in straight sets and No. 13 Rublev in five sets during that run.
- His last-5 record includes wins over De Minaur (No. 6) and Rublev, plus a tight loss to Mannarino on grass.
Samuel's only Bo5 match was a 6-4, 6-4, 6-2 loss to Alex De Minaur in May 2026.
- He won only 10 games total in that match, failing to win a set.
- All of his other 183 career matches have been best-of-three.
On 16 June 2026, Samuel lost 6-0, 6-2 to No. 118 Fery in a grass-court event.
- He also lost 4-6, 7-6, 6-2 to No. 48 Bergs on grass on 26 June.
- Mensik's serve metrics (11.4% ace rate, 75.2% first-serve win rate) are far above Fery's and Bergs' levels.

BetBugs edges

Compare BetBugs' chances with the market's.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result1 of 1 landed

Signal quality High · Uncertainty band Strong lean · Market price 1.40
The read
Mensik's massive ranking edge, superior serve metrics, and recent deep Slam run make him a heavy favorite over the wildcard Samuel, whose grass form is inconsistent against top-100 opponents.
- Mensik is ranked #17 vs Samuel #142, a 125-place gap indicating a large class difference.
- Mensik has a 6-6 career grass record but reached a Grand Slam SF (RG 2026) and has wins over top-10 players recently.
- Samuel's grass record is 19-7 career, but his recent grass losses include a 6-0 6-2 defeat to #118 Fery and a loss to #48 Bergs.
- Mensik's serve stats: 11.4% ace rate, 75.2% first-serve win rate, 62% break-point save rate, all superior to Samuel's 5.8%, 70%, 64.8%.
BetBugs · Match WinnerwonJakub MensikEstimated chance85%

Games1 of 3 landed

Signal quality Medium · Uncertainty band Strong lean · Not priced
The read
Given Mensik's strong serve and Samuel's limited Bo5 experience, a relatively quick match with fewer than 35.5 games is likely, especially if Mensik wins in straight sets.
- Mensik's recent Bo5 matches: 3-0 win (19 games), 3-1 loss (38 games), 3-1 win (43 games), 3-2 win (49 games), 3-1 win (31 games) – average 36 games, but skewed by one long 5-setter.
- Samuel's Bo5 experience: only one match, a 3-0 loss with 28 total games.
- Mensik's serve dominance (75% first-serve win) should lead to quick holds and potential straight-set win.
- Samuel's return points won (42%) is decent but unlikely to consistently break Mensik's serve.
BetBugs · Total GameslostUnder 35.5Estimated chance70%
Signal quality Medium · Uncertainty band Lean · Not priced
The read
Mensik's ability to win games comfortably, especially on serve, suggests he can cover a -5.5 game handicap against a lower-ranked opponent with limited Bo5 experience.
- Mensik's average games won per match in recent Bo5 wins: 19, 18, 18, 22, 25 – consistently high.
- Samuel's only Bo5 match: won 10 games vs De Minaur.
- Mensik's serve dominance (75% first-serve win) should lead to many holds and few breaks against.
- Samuel's return stats (42% points won) are not elite enough to consistently pressure Mensik.
BetBugs · Game HandicaplostJakub Mensik -5.5Estimated chance60%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
With both players holding serve well on grass, the first set could be close, potentially going over 9.5 games, though a quick break could keep it under.
- Mensik's recent first sets: 7-5, 5-7, 6-4, 6-3, 0-6 – average 9.8 games.
- Samuel's recent first sets: 4-6, 6-3, 6-1, 3-6, 6-2 – average 9.2 games.
- Grass often leads to tight sets with few breaks.
- Both players have strong first-serve win percentages, making breaks less likely.
BetBugs · Set 1 Total GameswonOver 9.5Estimated chance55%

Sets0 of 3 landed

Signal quality Medium · Uncertainty band Strong lean · Market price 1.53
The read
Mensik's high first-set win rate and superior overall quality should allow him to take the opener against a lower-ranked opponent who has struggled in first sets against stronger players.
- Mensik's first-set win conversion rate is 86% career, indicating he starts matches strongly.
- Samuel's first-set win conversion is 90%, but against weaker competition; his recent first sets include a 6-0 loss to Fery and a 6-4 loss to Bergs.
- Mensik's recent form: won first set in 4 of last 5 matches, including against top-10 opponents.
BetBugs · Set 1 WinnerlostJakub MensikEstimated chance75%
Signal quality Medium · Uncertainty band Strong lean · Not priced
The read
With Mensik's strong serve and Samuel's lack of Bo5 success, a straight-set win (under 3.5 sets) is the most likely outcome.
- Mensik has won in straight sets in 2 of his last 5 Bo5 matches.
- Samuel has never won a set in a Bo5 match (0-3 vs De Minaur).
- Mensik's break-point conversion rate (41%) and hold rate (62% save) should allow him to control sets.
- Samuel's break-point save rate (64.8%) is decent but may not hold up against Mensik's aggressive returning.
BetBugs · Total SetslostUnder 3.5Estimated chance65%
Signal quality Medium · Uncertainty band Slight lean · Market price 2.90
The read
Mensik's superior serve and recent straight-set wins in Slams, combined with Samuel's inexperience and poor showing in his only Bo5 match, point to a potential 3-0 victory.
- Mensik has won 3-0 in 2 of his last 5 Bo5 matches (vs Fonseca, Droguet).
- Samuel's only Bo5 match was a 3-0 loss to De Minaur, winning only 10 games.
- Mensik's serve and return stats are significantly better, suggesting he can dominate all phases.
- Samuel's recent grass form includes a 6-0 6-2 loss to #118 Fery, indicating vulnerability to strong servers.
BetBugs · Set BettinglostJakub Mensik 3-0Estimated chance55%

Match stats1 of 1 landed

Signal quality Medium · Uncertainty band Strong lean · Not priced
The read
On grass, both players' serve styles should produce a high ace count, with Mensik leading the way, making over 18.5 aces likely in a Bo5 match.
- Mensik's ace rate is 11.4%, averaging about 8-10 aces per match in Bo3; in Bo5, this could scale to 15+.
- Samuel's ace rate is 5.8%, but he may contribute 5-8 aces.
- Grass surface typically increases ace counts due to faster conditions.
- Mensik's height (196 cm) and serve power are well-suited for grass.
BetBugs · Total AcesOver 18.5Estimated chance65%
Signal quality Medium · Uncertainty band Lean · Not priced
The read
Given the serve-friendly grass surface and both players' tendency to play tiebreaks, at least one tiebreak in this Bo5 match is likely.
- Mensik has played tiebreaks in 5 of his last 15 matches, including 3 in his last 5.
- Samuel has played tiebreaks in 3 of his last 15 matches.
- Grass courts often lead to more tiebreaks due to serve dominance.
- Mensik's tiebreak win rate is 57%, Samuel's is 63%, indicating both are competent in breakers.
BetBugs · Tiebreak in MatchwonYesEstimated chance60%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
With both players having relatively low double-fault rates, the total double faults should stay under 8.5 in a Bo5 match, though the longer format adds some uncertainty.
- Mensik's double-fault rate is 4.9%, averaging about 2-3 per match in Bo3; in Bo5, expect 4-6.
- Samuel's double-fault rate is 2.9%, very low, averaging 1-2 per match.
- Combined, they average around 4-5 double faults per match in Bo3, scaling to 6-8 in Bo5.
- Both players have decent second-serve win rates (48% and 52%), reducing pressure to go for too much.
BetBugs · Total Double FaultsUnder 8.5Estimated chance55%

Jakub Mensik

9W 6L

5-7 7-6(3) 7-6(5)#40Adrian Mannarino

7-5 6-2 3-6 6-3#3Alexander Zverev

6-4 6-3 7-6(3)#27Joao Fonseca

6-3 7-6(6) 4-6 2-6 6-3#13Andrey Rublev

0-6 6-2 6-2 6-3#6Alex De Minaur

6-3 2-6 6-4 1-6 7-6(11)#38Mariano Navone

6-3 6-2 6-4#115Titouan Droguet

6-0 6-3#34Ignacio Buse

7-6(3) 6-2#77Jan-Lennard Struff

6-3 2-6 6-4#100Alexei Popyrin

6-4 6-7(4) 6-3#3Alexander Zverev

6-4 7-6(11)#22Karen Khachanov

6-3 6-4#105Martin Damm

7-6(4) 4-6 7-6(11)#19Frances Tiafoe

3-6 6-2 6-4#92Adam Walton

Toby Samuel

8W 7L

4-6 7-6(5) 6-2#48Zizou Bergs

6-3 6-4#45Juan Manuel Cerundolo

6-1 7-6(7)#54Thiago Agustin Tirante

3-6 6-4 6-4#35Matteo Arnaldi

6-2 6-4#101Quentin Halys

6-0 6-2#118Arthur Fery

5-7 6-2 6-3#126Dane Sweeny

6-3 6-3#141August Holmgren

1-6 7-6(10) 6-4#136Kyrian Jacquet

6-4 6-4 6-2#6Alex De Minaur

5-7 6-1 6-3#175Gonzalo Bueno

5-7 6-3 6-3#240David Goffin

7-6(11) 6-2#105Martin Damm

6-3 2-6 6-4#146Stefanos Sakellaridis

5-7 6-1 6-4#248Raul Brancaccio

Jakub Mensik

Toby Samuel

Quick Take

Context

BetBugs edges

Jakub Mensik

Jakub Mensik

Jakub Mensik -4.5

Jakub Mensik 3-0

Result1 of 1 landed

Games1 of 3 landed

Sets0 of 3 landed

Match stats1 of 1 landed

Jakub Mensik

Toby Samuel