Guillaume Dalmasso
Updated
- Rating6299.61
- ATP rank#1156
- Last 104-6
- Last 304-3
- Current streak2 Losses
Recent match previews
- 2026-10-21: vs Mae Malige, ATP Sarreguemines (France)
- 2026-10-15: vs Leonardo Rossi, ATP Offenbach (Germany)
- 2026-10-14: vs Lewie Lane, ATP Offenbach (Germany)
- 2026-10-12: vs Aleksandr Braynin, ATP Offenbach (Germany)
- 2026-10-08: vs Axel Garcian, ATP Rodez (France)
- 2026-10-07: vs Noah Boutleux, ATP Rodez (France)
Match effects, last 365 days
| Date | Opponent | Opp Rank | Opp Rating | Score | Result | Effect | % of Ranking | Tour | Tournament | Note |
|---|---|---|---|---|---|---|---|---|---|---|
| 20.10.2026 | Mae Malige | 751 | 6411.55 | 4-6, 6-3, 6-2 | Loss | 103.76 | 165.87% | ATP SINGLES / 20.10.2026 | France Sarreguemines | |
| 15.10.2026 | Leonardo Rossi | 683 | 6433.58 | 6-2, 6-2 | Loss | -91.03 | 58.04% | ATP SINGLES / 15.10.2026 | Germany Offenbach | |
| 14.10.2026 | Lewie Lane | 2143 | 6109.36 | 6-4, 6-0 | Win | 9.75 | 172.77% | ATP SINGLES / 14.10.2026 | Germany Offenbach | |
| 12.10.2026 | Aleksandr Braynin | 939 | 6353.96 | 6-7, 6-3, 10-8 | Win | 114.36 | 255.20% | ATP SINGLES / 12.10.2026 | Germany Offenbach | |
| 09.10.2026 | Axel Garcian | 1187 | 6291.72 | 6-2, 3-0 | Loss | -232.89 | 27.71% | ATP SINGLES / 09.10.2026 | France Rodez | |
| 08.10.2026 | Noah Boutleux | 1758 | 6169.71 | 4-6, 6-4, 6-4 | Win | -54.90 | 219.96% | ATP SINGLES / 08.10.2026 | France Rodez | |
| 07.10.2026 | Roan Jones | 1079 | 6319.10 | 7-6, 7-5 | Win | 119.50 | 163.71% | ATP SINGLES / 07.10.2026 | France Rodez | |
| 15.09.2026 | Damien Clerc | 2101 | 6114.93 | 6-2, 6-3 | Loss | -382.68 | 57.58% | ATP SINGLES / 15.09.2026 | France Nevers | |
| 06.09.2026 | Hugo Car | 1046 | 6327.91 | 7-6, 6-4 | Loss | -61.70 | 107.45% | ATP SINGLES / 06.09.2026 | France Cassis | |
| 03.09.2026 | Alex Knaff | 681 | 6434.32 | 3-6, 6-1, 6-0 | Loss | 254.71 | 73.50% | ATP SINGLES / 03.09.2026 | France Bagneres | |
| 01.09.2026 | Julien Dando | 1580 | 6203.74 | 5-7, 6-4, 6-3 | Win | -23.51 | 175.76% | ATP SINGLES / 01.09.2026 | France Bagneres | |
| 16.08.2026 | Garrett Johns | 512 | 6509.42 | 6-3, 6-1 | Loss | 14.81 | 36.56% | ATP SINGLES / 16.08.2026 | Jamaica Kingston | |
| 28.07.2026 | Hayato Matsuoka | 332 | 6613.04 | 6-4, 6-4 | Loss | 163.43 | 63.17% | ATP SINGLES / 28.07.2026 | Canada Vancouver | |
| 20.07.2026 | James Trotter | 446 | 6539.50 | 6-3, 6-4 | Loss | 77.03 | 51.97% | ATP SINGLES / 20.07.2026 | Canada Winnipeg | |
| 14.07.2026 | Aidan Mayo | 281 | 6650.06 | 6-4, 6-4 | Loss | 200.45 | 56.71% | ATP SINGLES / 14.07.2026 | Canada Granby | |
| 13.07.2026 | Mikael Arseneault | 1078 | 6319.71 | 4-6, 6-4, 6-4 | Win | 95.10 | 112.55% | ATP SINGLES / 13.07.2026 | Canada Granby | |
| 12.07.2026 | Volodymyr Gurenko | 2720 | 6028.93 | 6-4, 6-4 | Win | -120.68 | 83.77% | ATP SINGLES / 12.07.2026 | Canada Granby | |
| 06.07.2026 | Alberto Barroso Campos | 614 | 6462.43 | 6-3, 6-4 | Loss | -0.04 | 46.66% | ATP SINGLES / 06.07.2026 | United Kingdom Nottingham | |
| 02.07.2026 | Luc Fomba | 1452 | 6231.29 | 6-3, 1-6, 7-6 | Loss | -28.32 | 96.95% | ATP SINGLES / 02.07.2026 | France Ajaccio | |
| 01.07.2026 | Valentin Lapalu | 1650 | 6191.71 | 6-4, 7-6 | Win | -7.90 | 76.96% | ATP SINGLES / 01.07.2026 | France Ajaccio | |
| 13.06.2026 | Joaquin Guilleme | 1384 | 6245.98 | 6-1, 6-4 | Win | 141.37 | 67.00% | ATP SINGLES / 13.06.2026 | Finland Vaasa | |
| 13.06.2026 | Filip Peliwo | 780 | 6401.33 | 6-4, 7-5 | Win | 251.72 | 67.00% | ATP SINGLES / 13.06.2026 | Finland Vaasa | |
| 12.06.2026 | Tom Zeuch | 1012 | 6337.07 | 5-7, 6-4, 6-4 | Win | 99.22 | 94.19% | ATP SINGLES / 12.06.2026 | Finland Vaasa | |
| 11.06.2026 | Petros Tsitsipas | 896 | 6367.79 | 6-4, 6-4 | Win | 218.18 | 65.98% | ATP SINGLES / 11.06.2026 | Finland Vaasa | |
| 10.06.2026 | Sten Hiiesalu | 4716 | 5683.44 | 6-7, 6-3, 7-6 | Win | -556.17 | 98.20% | ATP SINGLES / 10.06.2026 | Finland Vaasa | |
| 03.06.2026 | Arda Azkara | 833 | 6385.32 | 7-6, 6-2 | Loss | -8.04 | 41.36% | ATP SINGLES / 03.06.2026 | JAR Centurion I | |
| 02.06.2026 | Constantin Bittoun Kouzmine | 791 | 6397.23 | 6-4, 6-3 | Win | 262.63 | 61.56% | ATP SINGLES / 02.06.2026 | JAR Centurion I | |
| 01.06.2026 | Peter Buldorini | 1002 | 6339.56 | 7-6, 6-4 | Win | 139.95 | 61.08% | ATP SINGLES / 01.06.2026 | JAR Centurion I | |
| 31.05.2026 | Ofek Shimanov | 1070 | 6322.06 | 6-3, 6-7, 6-3 | Win | 125.78 | 90.92% | ATP SINGLES / 31.05.2026 | JAR Centurion I | |
| 28.05.2026 | Robert Strombachs | 648 | 6446.20 | 6-2, 6-3 | Loss | -51.41 | 24.68% | ATP SINGLES / 28.05.2026 | JAR Centurion | |
| 26.05.2026 | Karan Singh | 707 | 6423.53 | 7-6, 4-1 | Win | 225.93 | 48.61% | ATP SINGLES / 26.05.2026 | JAR Centurion | |
| 25.05.2026 | Naoya Honda | 753 | 6411.01 | 3-6, 6-3, 6-4 | Win | 207.40 | 72.35% | ATP SINGLES / 25.05.2026 | JAR Centurion | |
| 24.05.2026 | Mark Nawa | 6211 | 5103.43 | 6-2, 6-3 | Win | -508.09 | 57.43% | ATP SINGLES / 24.05.2026 | JAR Centurion | |
| 05.05.2026 | Braden Shick | 399 | 6564.21 | 6-3, 6-2 | Loss | 50.76 | 20.67% | ATP SINGLES / 05.05.2026 | United Kingdom Nottingham | |
| 29.04.2026 | Marcus Walters | 985 | 6344.26 | 2-6, 6-4, 6-4 | Loss | 55.36 | 55.27% | ATP SINGLES / 29.04.2026 | United Kingdom Nottingham | |
| 22.04.2026 | Hugo Maia | 1835 | 6157.76 | 4-6, 6-2, 6-4 | Loss | -154.35 | 44.89% | ATP SINGLES / 22.04.2026 | Spain Sanxenxo | |
| 05.04.2026 | Bor Artnak | 708 | 6422.82 | 6-3, 6-3 | Loss | -56.79 | 19.69% | ATP SINGLES / 05.04.2026 | Mexico Mexico City | |
| 30.03.2026 | Alafia Ayeni | 814 | 6391.01 | 4-6, 6-4, 6-3 | Loss | 72.94 | 40.74% | ATP SINGLES / 30.03.2026 | Mexico San Luis Potosi | |
| 29.03.2026 | Gray Voelzke | 3358 | 5934.66 | 6-1, 3-6, 6-3 | Win | -182.97 | 46.64% | ATP SINGLES / 29.03.2026 | Mexico San Luis Potosi | |
| 26.03.2026 | Tanishk Konduri | 849 | 6382.24 | 6-1, 6-4 | Loss | -85.37 | 15.19% | ATP SINGLES / 26.03.2026 | USA Las Vegas | |
| 24.03.2026 | Edward Winter | 450 | 6538.31 | 6-4, 7-6 | Win | 338.70 | 35.90% | ATP SINGLES / 24.03.2026 | USA Las Vegas | |
| 16.03.2026 | Jake Delaney | 685 | 6431.78 | 7-5, 4-6, 6-2 | Loss | 109.09 | 36.57% | ATP SINGLES / 16.03.2026 | Mexico Morelos | |
| 15.03.2026 | Rodolfo Jauregui Sainz De Rozas | 3188 | 5957.02 | 6-3, 6-2 | Win | -81.29 | 33.50% | ATP SINGLES / 15.03.2026 | Mexico Morelos | |
| 27.02.2026 | Nick Hardt | 349 | 6601.51 | 6-4, 7-6 | Loss | 211.90 | 24.68% | ATP SINGLES / 27.02.2026 | Costa Rica San Jose - Costa Rica I | |
| 26.02.2026 | Pietro Fellin | 659 | 6442.91 | 6-4, 7-5 | Win | 293.30 | 29.39% | ATP SINGLES / 26.02.2026 | Costa Rica San Jose - Costa Rica I | |
| 25.02.2026 | Jeffrey Fradkin | 2463 | 6062.51 | 4-6, 6-1, 6-2 | Win | -95.69 | 38.88% | ATP SINGLES / 25.02.2026 | Costa Rica San Jose - Costa Rica I | |
| 24.02.2026 | Olaf Pieczkowski | 678 | 6436.00 | 6-7, 6-4, 6-4 | Win | 219.72 | 43.41% | ATP SINGLES / 24.02.2026 | Costa Rica San Jose - Costa Rica I | |
| 17.02.2026 | Rodrigo Pacheco Mendez | 264 | 6665.37 | 6-2, 6-1 | Loss | 0.00 | 6.86% | ATP SINGLES / 17.02.2026 | Mexico Metepec | |
| 16.02.2026 | Benjamin Thomas George | 1058 | 6324.70 | 6-4, 2-6, 7-5 | Win | 121.52 | 31.75% | ATP SINGLES / 16.02.2026 | Mexico Metepec | |
| 15.02.2026 | Dillon Beckles | 2704 | 6030.74 | 6-3, 6-1 | Win | -44.44 | 27.00% | ATP SINGLES / 15.02.2026 | Mexico Metepec | |
| 04.02.2026 | Joshua Peck | 1629 | 6195.07 | 6-2, 6-2 | Loss | -329.54 | 8.27% | ATP SINGLES / 04.02.2026 | Mexico Huamantla I | |
| 29.01.2026 | Benjamin Thomas George | 1058 | 6324.70 | 6-3, 6-2 | Loss | -172.91 | 9.87% | ATP SINGLES / 29.01.2026 | Mexico Huamantla | |
| 28.01.2026 | Joshua Peck | 1629 | 6195.07 | 6-7, 6-4, 6-4 | Win | -21.20 | 35.26% | ATP SINGLES / 28.01.2026 | Mexico Huamantla | |
| 27.01.2026 | Michael Alejandro Beltran Rubio | 4994 | 5609.80 | 6-1, 6-1 | Win | 0.00 | 23.33% | ATP SINGLES / 27.01.2026 | Mexico Huamantla | |
| 14.01.2026 | William Grant | 970 | 6347.35 | 6-3, 6-3 | Loss | -132.26 | 10.55% | ATP SINGLES / 14.01.2026 | USA Winston Salem | |
| 19.12.2025 | Derrick Chen | 2167 | 6104.85 | 6-2, 6-1 | Win | 37.74 | 17.27% | ATP SINGLES / 19.12.2025 | USA USA UTR Pro Tennis Series | |
| 16.12.2025 | Lachlan Robertson | 5826 | 5306.40 | 7-5, 6-3 | Win | -828.21 | 16.88% | ATP SINGLES / 16.12.2025 | USA USA UTR Pro Tennis Series | |
| 16.12.2025 | Illya Maksymchuk | 5631 | 5389.98 | 6-1, 6-4 | Win | -379.82 | 16.88% | ATP SINGLES / 16.12.2025 | USA USA UTR Pro Tennis Series | |
| 14.12.2025 | Georgio Samaha | 6297 | 5054.56 | 6-2, 7-6 | Win | -597.53 | 16.62% | ATP SINGLES / 14.12.2025 | USA USA UTR Pro Tennis Series | |
| 11.12.2025 | Ethan Terry | 6538 | 4900.66 | 7-5, 6-1 | Win | -624.48 | 16.24% | ATP SINGLES / 11.12.2025 | USA USA UTR Pro Tennis Series | |
| 10.12.2025 | Aram Noroozian | 2037 | 6127.03 | 6-3, 6-4 | Loss | -335.44 | 9.40% | ATP SINGLES / 10.12.2025 | USA USA UTR Pro Tennis Series | |
| 09.12.2025 | Timothy Li | 2735 | 6026.99 | 6-1, 6-4 | Win | -61.31 | 15.99% | ATP SINGLES / 09.12.2025 | USA USA UTR Pro Tennis Series | |
| 09.12.2025 | Noah Zamora | 1006 | 6338.11 | 7-5, 6-2 | Loss | -132.93 | 9.33% | ATP SINGLES / 09.12.2025 | USA USA UTR Pro Tennis Series | |
| 08.12.2025 | Henry Ren | 2915 | 5998.89 | 6-3, 6-7, 6-3 | Win | -197.38 | 23.81% | ATP SINGLES / 08.12.2025 | USA USA UTR Pro Tennis Series | |
| 29.11.2025 | Daniel Masur | 362 | 6593.17 | 6-2, 6-3 | Loss | 68.14 | 6.17% | ATP SINGLES / 29.11.2025 | France Championnat de France | |
| 26.11.2025 | Arthur Reymond | 785 | 6398.92 | 6-2, 7-5 | Loss | -72.11 | 8.44% | ATP SINGLES / 26.11.2025 | France Championnat de France | |
| 22.11.2025 | Manuel Guinard | 1261 | 6273.79 | 6-2, 7-5 | Loss | -197.25 | 8.18% | ATP SINGLES / 22.11.2025 | France Championnat de France | |
| 19.11.2025 | Kenny De Schepper | 674 | 6438.08 | 6-4, 3-6, 10-8 | Win | 182.48 | 17.14% | ATP SINGLES / 19.11.2025 | France Championnat de France | |
| 15.11.2025 | Arthur Bouquier | 441 | 6540.00 | 7-5, 7-6 | Win | 340.39 | 13.29% | ATP SINGLES / 15.11.2025 | France Championnat de France | |
| 10.11.2025 | Mikael Arseneault | 1078 | 6319.71 | 3-6, 6-4, 6-3 | Loss | 15.49 | 13.86% | ATP SINGLES / 10.11.2025 | Canada Drummondville |