6‑Nov‑2023 | M25 Trnava | Hard | QF | 440 | 883 | (Q)Jonathan Mridha [SWE] d. Colson | 1-0 RET | | | | | | | | | |
6‑Nov‑2023 | M25 Trnava | Hard | R16 | 440 | 1391 | Colson d. (Q)Aleksander Chayka [RUS] | 6-4 6-4 | | | | | | | | | |
6‑Nov‑2023 | M25 Trnava | Hard | R32 | 440 | 534 | Colson d. Jelle Sels [NED] | 6-3 6-4 | | | | | | | | | |
30‑Oct‑2023 | M25 Sunderland | Hard | F | 449 | 580 | (JE)Alexander Blockx [BEL] d. (5)Colson | 4-6 6-2 6-4 | | | | | | | | | |
30‑Oct‑2023 | M25 Sunderland | Hard | SF | 449 | 319 | (5)Colson d. (2)Marvin Moeller [GER] | 6-3 7-6(5) | | | | | | | | | |
30‑Oct‑2023 | M25 Sunderland | Hard | QF | 449 | 640 | (5)Colson d. Sander Jong [NED] | 7-5 6-4 | | | | | | | | | |
30‑Oct‑2023 | M25 Sunderland | Hard | R16 | 449 | 571 | (5)Colson d. Alastair Gray [GBR] | 6-3 7-6(4) | | | | | | | | | |
30‑Oct‑2023 | M25 Sunderland | Hard | R32 | 449 | 1197 | (5)Colson d. (WC)James Davis [GBR] | 6-4 6-4 | | | | | | | | | |
23‑Oct‑2023 | M25 Glasgow | Hard | QF | 452 | 1780 | (SE)Jacob Fearnley [GBR] d. (5)Colson | 6-3 7-5 | | | | | | | | | |
23‑Oct‑2023 | M25 Glasgow | Hard | R16 | 452 | 1045 | (5)Colson d. (Q)George Houghton [GBR] | 6-3 6-7(5) 7-6(3) | | | | | | | | | |
23‑Oct‑2023 | M25 Glasgow | Hard | R32 | 452 | | (5)Colson d. (Q)Charlie Robertson [GBR] | 6-1 6-2 | | | | | | | | | |
25‑Sep‑2023 | M25 Falun | Hard | F | 482 | 778 | (5)Colson d. Alexander Blockx [BEL] | 7-5 4-6 6-3 | | | | | | | | | |
25‑Sep‑2023 | M25 Falun | Hard | SF | 482 | 395 | (5)Colson d. (2)Karl Friberg [SWE] | 7-5 6-3 | | | | | | | | | |
25‑Sep‑2023 | M25 Falun | Hard | QF | 482 | 536 | (5)Colson d. Edas Butvilas [LTU] | 6-1 2-6 6-0 | | | | | | | | | |
25‑Sep‑2023 | M25 Falun | Hard | R16 | 482 | 535 | (5)Colson d. Daniel Merida Aguilar [ESP] | 6-3 6-7(2) 6-0 | | | | | | | | | |
25‑Sep‑2023 | M25 Falun | Hard | R32 | 482 | 792 | (5)Colson d. Vito Tonejc [CRO] | 4-6 6-0 6-1 | | | | | | | | | |
18‑Sep‑2023 | M15 Danderyd | Hard | QF | 481 | 478 | (5)Harry Wendelken [GBR] d. (2)Colson | 6-4 6-2 | | | | | | | | | |
18‑Sep‑2023 | M15 Danderyd | Hard | R16 | 481 | 1220 | (2)Colson d. (Q)James Davis [GBR] | 6-2 6-4 | | | | | | | | | |
18‑Sep‑2023 | M15 Danderyd | Hard | R32 | 481 | 1269 | (2)Colson d. (Q)Simon Freund [SWE] | 6-3 6-4 | | | | | | | | | |
28‑Aug‑2023 | M25 Sion | Clay | R16 | 490 | | (WC)Henry Von Der Schulenburg [SUI] d. (6)Colson | 6-7(5) 6-1 6-3 | | | | | | | | | |
28‑Aug‑2023 | M25 Sion | Clay | R32 | 490 | | (6)Colson d. (Q)Zakhar Trapeznikov [RUS] | 6-1 6-2 | | | | | | | | | |
14‑Aug‑2023 | M25 Koksijde | Clay | R32 | 481 | 679 | Marlon Vankan [GER] d. (2)Colson | 6-4 6-4 | | | | | | | | | |
7‑Aug‑2023 | Meerbusch CH | Clay | R32 | 480 | 171 | (5)Camilo Ugo Carabelli [ARG] d. Colson | 6-2 6-2 | | 0.64 | 1.8% | 9.1% | 45.5% | 64.0% | 30.0% | 4/9 | 1:05 |
7‑Aug‑2023 | Meerbusch CH | Clay | Q2 | 480 | 697 | Colson d. Tom Gentzsch [GER] | 6-1 6-4 | | 1.66 | 13.0% | 7.4% | 55.6% | 86.7% | 50.0% | 5/6 | 1:09 |
7‑Aug‑2023 | Meerbusch CH | Clay | Q1 | 480 | 872 | Colson d. (Alt)Adrian Oetzbach [GER] | 7-6(3) 7-6(4) | | 1.07 | 5.1% | 7.1% | 59.6% | 71.2% | 42.5% | 11/15 | 2:08 |
31‑Jul‑2023 | M25 Wetzlar | Clay | R32 | 480 | 591 | Buvaysar Gadamauri [BEL] d. (4)Colson | 4-6 6-4 6-1 | | | | | | | | | |
24‑Jul‑2023 | M15 Vejle | Clay | R16 | 476 | 1579 | (Q)Maxence Rivet [FRA] d. (3)Colson | 3-6 6-3 6-2 | | | | | | | | | |
24‑Jul‑2023 | M15 Vejle | Clay | R32 | 476 | | (3)Colson d. (WC)Felipe Mikkelsen [DEN] | 6-1 6-2 | | | | | | | | | |
17‑Jul‑2023 | Amersfoort CH | Clay | R32 | 485 | 392 | (Q)Mathys Erhard [FRA] d. Colson | 7-6(6) 7-6(3) | | 0.93 | 6.3% | 0.0% | 61.3% | 75.5% | 32.3% | 3/6 | 1:52 |
17‑Jul‑2023 | Amersfoort CH | Clay | Q2 | 485 | 569 | Colson d. (Alt)Denys Klok [RUS] | 6-4 6-2 | | 3.57 | 9.8% | 0.0% | 51.2% | 90.5% | 85.0% | 0/0 | 1:01 |
17‑Jul‑2023 | Amersfoort CH | Clay | Q1 | 485 | 401 | Colson d. (6)Max Hans Rehberg [GER] | 3-6 7-6(5) 6-4 | | 0.82 | 12.5% | 2.7% | 62.5% | 72.9% | 40.5% | 3/7 | |
26‑Jun‑2023 | M25 Arlon | Clay | SF | 571 | 667 | Colson d. Maxime Mora [FRA] | 6-3 3-6 6-2 | | | | | | | | | |
26‑Jun‑2023 | M25 Arlon | Clay | QF | 571 | 602 | Colson d. Alex Knaff [LUX] | 7-6(1) 6-4 | | | | | | | | | |
26‑Jun‑2023 | M25 Arlon | Clay | R16 | 571 | 416 | Colson d. (7)Damien Wenger [SUI] | 6-3 7-6(3) | | | | | | | | | |
26‑Jun‑2023 | M25 Arlon | Clay | R32 | 571 | 1046 | Colson d. (Q)Leonid Sheyngezikht [BUL] | 6-0 6-0 | | | | | | | | | |
19‑Jun‑2023 | Blois CH | Clay | Q2 | 587 | 278 | (2)Daniel Rincon [ESP] d. Colson | 7-6(2) 4-6 6-3 | | 0.76 | 14.7% | 2.9% | 65.7% | 73.1% | 54.3% | 5/6 | 1:57 |
19‑Jun‑2023 | Blois CH | Clay | Q1 | 587 | 388 | Colson d. (9)Matteo Martineau [FRA] | 6-3 3-6 6-2 | | 1.07 | 7.3% | 1.2% | 63.4% | 67.3% | 70.0% | 7/8 | 1:48 |
12‑Jun‑2023 | M15 Duffel | Clay | QF | 584 | 754 | Michiel De Krom [NED] d. (5)Colson | 6-4 6-2 | | | | | | | | | |
12‑Jun‑2023 | M15 Duffel | Clay | R16 | 584 | | (5)Colson d. Mees Rottgering [NED] | 6-4 6-3 | | | | | | | | | |
12‑Jun‑2023 | M15 Duffel | Clay | R32 | 584 | 1582 | (5)Colson d. (Q)Noah Schlagenhauf [GER] | 7-5 6-0 | | | | | | | | | |
5‑Jun‑2023 | M25 Skopje | Clay | R32 | 579 | 421 | (4)Kalin Ivanovski [MKD] d. Colson | 4-6 6-2 6-4 | | | | | | | | | |
29‑May‑2023 | M25 Jablonec nad Nisou | Clay | R32 | 579 | 1160 | (WC)Dominik Kellovsky [CZE] d. Colson | 7-5 3-6 7-6(2) | | | | | | | | | |
8‑May‑2023 | M25 Varnamo | Clay | R16 | 579 | 491 | (6)Lucas Catarina [MON] d. Colson | 7-5 6-4 | | | | | | | | | |
8‑May‑2023 | M25 Varnamo | Clay | R32 | 579 | | Colson d. (WC)Oskar Jansson [SWE] | 6-0 6-4 | | | | | | | | | |
24‑Apr‑2023 | M15 Meerbusch | Clay | R32 | 583 | 1358 | (WC)Liam Gavrielides [GER] d. (6)Colson | 5-7 6-2 6-3 | | | | | | | | | |
27‑Mar‑2023 | M25 Trnava | Hard | SF | 628 | 437 | (6)Karl Friberg [SWE] d. Colson | 6-2 6-4 | | | | | | | | | |
27‑Mar‑2023 | M25 Trnava | Hard | QF | 628 | 921 | Colson d. (WC)Peter Benjamin Privara [SVK] | 6-3 6-2 | | | | | | | | | |
27‑Mar‑2023 | M25 Trnava | Hard | R16 | 628 | 1329 | Colson d. (Q)Dominik Recek [CZE] | 7-6(8) 6-4 | | | | | | | | | |
27‑Mar‑2023 | M25 Trnava | Hard | R32 | 628 | | Colson d. (WC)Samuel Kyjaci [SVK] | 6-3 6-4 | | | | | | | | | |
13‑Mar‑2023 | M25 Montreal | Hard | QF | 625 | 213 | (1)Gabriel Diallo [CAN] d. Colson | 6-2 7-5 | | | | | | | | | |
13‑Mar‑2023 | M25 Montreal | Hard | R16 | 625 | 472 | Colson d. (5)Sandro Kopp [AUT] | 6-3 6-4 | | | | | | | | | |
13‑Mar‑2023 | M25 Montreal | Hard | R32 | 625 | 1150 | Colson d. (Q)Jakub Wojcik [USA] | 6-2 6-3 | | | | | | | | | |
6‑Mar‑2023 | M25 Montreal | Hard | R16 | 625 | 442 | (3)Jules Marie [FRA] d. Colson | 6-2 6-3 | | | | | | | | | |
6‑Mar‑2023 | M25 Montreal | Hard | R32 | 625 | 1857 | Colson d. (Q)Jean Christian Morandais [GUD] | 6-4 6-2 | | | | | | | | | |
6‑Feb‑2023 | M15 Grenoble | Hard | QF | 633 | 919 | Antoine Ghibaudo [FRA] d. Colson | 6-4 7-6(4) | | | | | | | | | |
6‑Feb‑2023 | M15 Grenoble | Hard | R16 | 633 | 492 | Colson d. (2)Alexis Gautier [FRA] | 6-1 7-5 | | | | | | | | | |
6‑Feb‑2023 | M15 Grenoble | Hard | R32 | 633 | 1726 | Colson d. (WC)Antoine Berger [FRA] | 6-2 6-2 | | | | | | | | | |
23‑Jan‑2023 | Ottignies Louvain CH | Hard | R32 | 671 | 219 | (Q)Joris De Loore [BEL] d. Colson | 6-4 3-6 6-2 | | 0.73 | 12.1% | 2.2% | 59.3% | 66.7% | 54.1% | 7/10 | 1:53 |
23‑Jan‑2023 | Ottignies Louvain CH | Hard | Q2 | 671 | 314 | Colson d. (7)Ernests Gulbis [LAT] | 6-2 3-0 RET | | 1.79 | 21.6% | 2.7% | 62.2% | 82.6% | 50.0% | 1/1 | 0:43 |
23‑Jan‑2023 | Ottignies Louvain CH | Hard | Q1 | 671 | 626 | Colson d. (Alt)Christopher Heyman [BEL] | 6-3 7-6(4) | | 1.69 | 16.9% | 0.0% | 53.8% | 82.9% | 76.7% | 1/1 | 1:10 |
16‑Jan‑2023 | M25 Doha | Hard | R32 | 671 | 339 | (2)Prajnesh Gunneswaran [IND] d. Colson | 6-4 6-0 | | | | | | | | | |
9‑Jan‑2023 | M15 Doha | Hard | QF | 670 | 464 | (2)Bernard Tomic [AUS] d. Colson | 6-3 3-6 7-6(2) | | | | | | | | | |
9‑Jan‑2023 | M15 Doha | Hard | R16 | 670 | 467 | Colson d. (5)Bogdan Bobrov [RUS] | 6-3 6-4 | | | | | | | | | |
9‑Jan‑2023 | M15 Doha | Hard | R32 | 670 | 892 | Colson d. (PR)Jacopo Berrettini [ITA] | 6-3 6-4 | | | | | | | | | |