Gabriel Diallo vs Adrian Mannarino: result, stats and head-to-head

Result0 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 2.10
The read
Diallo's defending champion status and superior recent form (including top-15 wins) give him a clear edge over Mannarino, who has struggled mightily in 2026 with no grass matches yet.
- Diallo is the defending champion at 's-Hertogenbosch (2025 title), showing proven grass comfort at this venue.
- Diallo's recent form includes a win over Andrey Rublev (rank 13) and a close loss to Felix Auger Aliassime (rank 6) in March 2026, while Mannarino has lost 8 of his last 10 matches.
- Mannarino's 2026 grass record is 0-0, and his overall 2026 win rate is just 7-18 across surfaces, with a 2-7 hard-court record and 0-8 on clay.
BetBugs · Match WinnerlostGabriel DialloEstimated chance62%

Games2 of 3 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Recent match totals for both players trend above 21.5 games, suggesting a competitive match that could see at least one tight set.
- Diallo's last 5 matches have averaged 22.6 total games, with three of those exceeding 21.5.
- Mannarino's last 5 matches have averaged 22.4 total games, with four exceeding 21.5.
- Both players have shown the ability to push sets deep, with Diallo playing three tiebreaks in his last 15 matches and Mannarino playing four.
BetBugs · Total GameswonOver 21.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
The first set is likely to be competitive given both players' serve hold rates, pushing the total games over 9.5.
- Diallo's last 5 first sets have averaged 10.2 games, with three going over 9.5.
- Mannarino's last 5 first sets have averaged 9.8 games, with three going over 9.5.
- Both players have first-serve win percentages around 70%, which can lead to holds and extended sets.
BetBugs · Set 1 Total GameswonOver 9.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Second sets in their recent matches have often been tight, and with both capable of holding serve, over 9.5 games is plausible.
- Diallo's last 5 second sets have averaged 9.4 games, with two going over 9.5.
- Mannarino's last 5 second sets have averaged 9.6 games, with three going over 9.5.
- If the match is competitive, the second set is likely to stay close, especially if Mannarino raises his level after dropping the first.
BetBugs · Set 2 Total GameslostOver 9.5Estimated chance52%

Sets0 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 2.00
The read
Diallo's strong first-set record and Mannarino's slow starts in recent losses point to Diallo taking the opener.
- Diallo has won the first set in 4 of his last 6 completed matches, including against Rublev and Bellucci.
- Mannarino has lost the first set in 7 of his last 10 matches, often by comfortable margins.
- Diallo's first-set win conversion rate for his career is 85%, indicating strong front-running ability.
BetBugs · Set 1 WinnerlostGabriel DialloEstimated chance60%

Match stats0 of 1 landed

Signal quality Medium · Uncertainty band Lean · Not priced
The read
Diallo's big serve on grass should produce a high ace count, and combined with Mannarino's decent ace numbers, the total should surpass 12.5.
- Diallo averages 10.3 aces per match (career ace rate), and on grass his ace rate typically increases due to his 203 cm height.
- Mannarino averages 6.3 aces per match, but his lefty serve can be effective on grass.
- In Diallo's last grass-court season (2025), he hit 9+ aces in multiple matches, and Mannarino's grass history includes ace counts often in the 5-8 range.
BetBugs · Total AcesOver 12.5Estimated chance60%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Grass-court tennis often leads to more double faults due to aggressive serving, and both players have moderate double fault rates that could combine to exceed 5.5.
- Diallo's double fault rate is 3.8% (career), which on a fast surface like grass can lead to more double faults under pressure.
- Mannarino's double fault rate is 3.2%, but his lower first-serve percentage (60%) means more second serves, increasing double fault risk.
- In their recent matches, both have averaged around 2-3 double faults per match, and a three-set match could push the total over 5.5.
BetBugs · Total Double FaultsOver 5.5Estimated chance52%
Signal quality Low · Uncertainty band Near coin-flip · Not priced
The read
The serve-oriented nature of grass and both players' decent hold rates make a tiebreak a reasonable possibility, though not a certainty.
- Diallo has played a tiebreak in 3 of his last 15 matches (20%), and his career tiebreak win rate is 55%.
- Mannarino has played a tiebreak in 4 of his last 15 matches (27%), with a career tiebreak win rate of 49%.
- On grass, serve dominance often leads to tiebreaks, and both players have first-serve win percentages around 70%.
BetBugs · Tiebreak in MatchlostYesEstimated chance50%

The percentage shows our estimated chance. Tap a row for the context and share card.18+ · predictions, not guarantees

Gabriel Diallo #49Canada1Adrian Mannarino #45France2

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Gabriel Diallo

Adrian Mannarino

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Gabriel Diallo

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Sets0 of 1 landed

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Adrian Mannarino 2-0 @ 2.50

Gabriel Diallo

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