ATP Tour
Guillaume Dalmasso
#639
ATP World Ranking - 57 pts
Next Match
1st RoundHard
Player Archetype
🏹 Frontrunner
Excels when dictating play and building early leads. Gets ahead with aggressive opening sets and uses confidence-driven momentum to close matches before opponents can settle in.
Fast startsAggressive openersMomentum-drivenStrong holds
Strong against
⚔️ The Gladiator63%
🛡️ The Spoiler56%
Weak against
🤖 Servebot46%
🧱 The Wall48%
Player Overview
Age
23
Height
6'4" (193 cm)
Weight
86 kg (190 lbs)
Plays
Right-Handed, Two-Handed BH
Career-High Ranking
#561 (2026-06-22)
Career
60
Wins
39
Losses
60.6%
Win %
0
Titles
Win / Loss by Year
Career record broken down by surface
| Year | Summary | Clay | Hard | Grass |
|---|---|---|---|---|
| 2026 | 31/26 | 1/2 | 26/23 | 0/1 |
| 2025 | 33/15 | - | 33/15 | - |
| Career | 64/41 | 1/2 | 59/38 | 0/1 |
Serve & Return
Averages · Last 90 days (10 matches)
Serve
1st Serve In-
1st Serve Pts Won-
2nd Serve Pts Won-
Break Points Saved-
Aces / Match3.0
Double Faults / Match7.0
Avg 1st Serve-
Max Serve Speed-
Return
1st Return Pts Won-
2nd Return Pts Won-
Break Points Converted-
Rally
Winners / Match-
Unforced Errors / Match-
Net Pts Won %-
Total Pts Won %-
Prop Research
Career hit rates on common betting markets · 95 serve-stat matches
Guillaume Dalmasso has served 3+ aces in 70.5% of career matches and 5+ aces in 43.2%.
Ace Totals
| Outcome | Hit rate | Matches |
|---|---|---|
| 1 or more | 94% | 89/95 |
| 3 or more | 71% | 67/95 |
| 5 or more | 43% | 41/95 |
| 10 or more | 10% | 9/95 |
| 15 or more | 0% | 0/95 |
| 20 or more | 0% | 0/95 |
Double Fault Totals
| Outcome | Hit rate | Matches |
|---|---|---|
| 1 or more | 99% | 94/95 |
| 2 or more | 86% | 82/95 |
| 3 or more | 79% | 75/95 |
| 5 or more | 58% | 55/95 |
| 8 or more | 36% | 34/95 |
| 10 or more | 18% | 17/95 |
Total Sets
| Outcome | Hit rate | Matches |
|---|---|---|
| 2 Sets | 65% | 66/102 |
| 3 Sets | 35% | 36/102 |
Set Betting
| Outcome | Hit rate | Matches |
|---|---|---|
| 2-0 | 36% | 37/102 |
| 2-1 | 25% | 25/102 |
| 1-2 | 11% | 11/102 |
| 0-2 | 28% | 29/102 |
Match/Set Winner
| Outcome | Hit rate | Matches |
|---|---|---|
| 1st Set Winner | 52% | 53/103 |
| 2nd Set Winner | 57% | 59/103 |
| 3rd Set Winner | 69% | 25/36 |
Recent Matches
Last 10 results
FormLWWLL
| Date | Tournament | Round | Opponent | Surface | Score | Result |
|---|---|---|---|---|---|---|
| Oct 9, 2026 | M15 Rodez | Quarterfinals | Axel Garcian | Hard | L | |
| Oct 8, 2026 | M15 Rodez | 2nd Round | Noah Boutleux | Hard | 46 64 64 | W |
| Oct 7, 2026 | M15 Rodez | 1st Round | Roan Jones | Hard | 76 75 | W |
| Sep 15, 2026 | M25 Nevers | 1st Round | Damien Clerc | Hard | 26 36 | L |
| Sep 6, 2026 | Cassis Challenger | 1st Round Qualifying | Hugo Car | Hard | 67 46 | L |
| Sep 3, 2026 | M25+H Bagneres-de-Bigorre | 2nd Round | Alex Knaff | Hard | 63 16 06 | L |
| Sep 1, 2026 | M25+H Bagneres-de-Bigorre | 1st Round | Julien Dando | Hard | 57 64 63 | W |
| Aug 16, 2026 | Kingston 1 Challenger | 1st Round Qualifying | Garrett Johns | Hard | 36 16 | L |
| Jul 27, 2026 | Vancouver Challenger | 1st Round Qualifying | Hayato Matsuoka | Hard | 46 46 | L |
| Jul 19, 2026 | Winnipeg Challenger | 1st Round Qualifying | James Kent Trotter | Hard | 36 46 | L |
Guillaume Dalmasso FAQ
Guillaume Dalmasso is ranked #639 on the ATP tour with 57 ranking points. The career-high ranking is #561, reached in 2026.
Guillaume Dalmasso is from France.
Guillaume Dalmasso is listed at 6'4" (193 cm). Listed weight is 86 kg (190 lb).
Guillaume Dalmasso is 23 years old.
Guillaume Dalmasso plays right-handed with a two-handed backhand.
Guillaume Dalmasso has a career win-loss record of 60-39 (61% win rate).
Guillaume Dalmasso: a career-high ranking of #561 in 2026 and 60 career wins.
Guillaume Dalmasso's strongest surface by win rate is hard, with a 59-38 record (61%). Full career splits: hard 59-38 (61%), clay 1-2 (33%), and grass 0-1 (0%).
Guillaume Dalmasso has won 3 of the last 10 completed matches (30%).
Guillaume Dalmasso is scheduled to face Aleksandr Braynin at M15 Offenbach on Oct 12, 2026.
Guillaume Dalmasso plays next on Oct 12, 2026 at M15 Offenbach (1st Round, hard courts), against Aleksandr Braynin. Scheduled times move, so check the match page for the latest.