21.05.18 | 1st round | John-Paul Fruttero/Nicholas Horton | Thomas Colautti/Alexander Day | 6-74, 6-2, 10-4 |  | match details | Tunisia F20 | Hard |
14.05.18 | 1st round | Thomas Colautti/Alexander Day | Alexandre Rotsaert/Hillel Rousseau | 6-1, 7-60 |  | match details | Tunisia F19 | Hard |
14.05.18 | 1/2 | Anis Ghorbel/Vasko Mladenov | Thomas Colautti/Alexander Day | 6-3, 6-2 |  | match details |
14.05.18 | 1/4 | Thomas Colautti/Alexander Day | Ergi Kirkin/Maxime Pauwels | 6-2, 1-6, 10-7 |  | match details |
07.05.18 | 1st round | Thomas Colautti/Alexander Day | Daniel Mora/Pablo Vivero Gonzalez | 6-4, 7-65 |  | match details | Tunisia F18 | Hard |
07.05.18 | 1/4 | Elliott Farmer/Naoki Takeda | Thomas Colautti/Alexander Day | 6-4, 4-6, 10-8 |  | match details |
04.12.17 | 1st round | Thomas Colautti/Alexander Day | Nicholas Bybel/Gary Kushnirovich | 6-2, 3-6, 10-6 |  | match details | South Africa | Hard |
04.12.17 | 1/4 | Jaime Pulgar-Garcia/Javier Pulgar-Garcia | Thomas Colautti/Alexander Day | 7-62, 6-4 |  | match details |
27.11.17 | 1st round | Thomas Colautti/Alexander Day | Pelle Boerma/Leonard Von Hindte | 7-68, 6-3 |  | match details | South Africa | Hard |
27.11.17 | 1/4 | Thomas Colautti/Alexander Day | Peter Heller/George Von Massow | 6-4, 6-75, 10-8 |  | match details |
27.11.17 | 1/2 | Michiel De Krom/Ryan Nijboer | Thomas Colautti/Alexander Day | 6-4, 6-77, 12-10 |  | match details |
20.11.17 | 1/2 | Robert Galloway/Benjamin Lock | Thomas Colautti/Alexander Day | 6-0, 6-3 |  | match details | South Africa | Hard |
20.11.17 | 1st round | Thomas Colautti/Alexander Day | Milen Ianakiev/Quentin Robert (1994) | 7-5, 6-2 |  | match details |
20.11.17 | 1/4 | Thomas Colautti/Alexander Day | Thomas Fancutt/Calum Puttergill | 6-4, 6-4 |  | match details |
13.11.17 | 1st round | Thomas Colautti/Alexander Day | Tarun Chilakalapudi/Jackson Varney | 6-2, 6-3 |  | match details | Kuwait F3 | Hard |
13.11.17 | 1/4 | Yuichiro Inui/Naru Shirafuji | Thomas Colautti/Alexander Day | 6-3, 6-2 |  | match details |
30.10.17 | 1/4 | Yannick Jankovits/Luca Margaroli | Thomas Colautti/Alexander Day | 3-6, 6-1, 10-8 |  | match details | Israel F15 | Hard |
30.10.17 | 1st round | Thomas Colautti/Alexander Day | Jules Okala/Joshua Paris | 6-4, 6-3 |  | match details |
23.10.17 | 1/4 | Nicolas Uryson/Fran Zvonimir Zgombic | Thomas Colautti/Alexander Day | 5-7, 6-3, 10-7 |  | match details | Israel F14 | Hard |
23.10.17 | 1st round | Thomas Colautti/Alexander Day | Yannai Barkai/Shahar Elbaz | 6-4, 6-1 |  | match details |
16.10.17 | 1st round | Clement Geens/Christopher Heyman | Thomas Colautti/Alexander Day | 6-3, 7-66 |  | match details | Israel F13 | Hard |