| Prantsusmaa lahtised | 05/22 15:40 | 45 | [233] Thiemo De Bakker v Go Soeda [201] | 1-6,6-3,3-6 | |
| Prantsusmaa lahtised | 05/21 08:00 | 44 | [233] Thiemo De Bakker v Yasutaka Uchiyama [182] | 6-3,7-5 | |
| Challenger Braga | 05/07 09:00 | 24 | [232] Thiemo De Bakker v Bernabe Zapata Miralles [246] | Retired | |
| Challenger - Ostrava | 04/30 09:50 | 25 | [378] Jan Satral v Thiemo De Bakker [229] | 6-7,7-6,6-4 | |
| Challenger Barletta | 04/09 11:30 | 24 | [282] Federico Coria v Thiemo De Bakker [229] | 6-7,6-3,6-1 | |
| Challenger Sophia Antipolis | 04/02 08:00 | 24 | [228] Thiemo De Bakker v Calvin Hemery [271] | 4-6,6-7 | |
| Challenger – Marbella | 03/25 15:45 | 24 | [240] Pedro Cachin v Thiemo De Bakker [229] | 6-2,3-6,6-4 | |
| Challenger Bangkok 1A | 02/21 05:05 | 26 | [194] Go Soeda v Thiemo De Bakker [232] | 6-7,6-2,6-2 | |
| Challenger Bangkok 1A | 02/20 04:45 | 25 | Thiemo De Bakker v Aleksandr Nedovyesov | 6-7,6-4,6-4 | |
| Challenger Bangkok 1A | 02/19 05:50 | 24 | Thiemo De Bakker v Moez Echargui | 6-3,3-6,6-0 | |
| Challenger Bangkok 1A | 02/19 04:20 | 24 | Thiemo De Bakker v Janko Tipsarevic | Cancelled | |
| Challenger – Bangkok | 02/14 03:00 | 26 | [146] Henri Laaksonen v Thiemo De Bakker [236] | 6-4,6-3 | |
| Challenger – Bangkok | 02/12 06:55 | 25 | [263] Zhe Li v Thiemo De Bakker [236] | 4-6,6-4,4-6 | |
| Challenger - Quimper | 01/29 17:55 | 25 | [237] Thiemo De Bakker v Matthias Bachinger [144] | 7-6,4-6,5-7 | |
| Challenger - Quimper | 01/28 16:20 | 24 | [237] Thiemo De Bakker v Aslan Karatsev [437] | 4-6,7-5,6-0 | |
| Challenger - Rennes | 01/21 19:10 | 24 | [243] Thiemo De Bakker v Jurij Rodionov [207] | 6-7,6-7 | |
| Challenger Koblenz | 01/17 17:10 | 26 | [243] Thiemo De Bakker v Pavel Kotov [345] | 2-6,6-7 | |
| Challenger Koblenz | 01/16 16:35 | 25 | [243] Thiemo De Bakker v Benjamin Hassan [366] | 6-1,6-4 | |
| Challenger - Columbus | 01/09 16:00 | 25 | [243] Thiemo De Bakker v Lucas Miedler [280] | 3-6,3-6 | |
| Challenger Orlando | 01/02 18:10 | 25 | [242] Thiemo De Bakker v Ulises Blanch [313] | 5-7,6-4,3-6 | |
| Challenger - Fairfield | 10/11 20:00 | 26 | [132] Adrian M-Maceiras v Thiemo De Bakker [232] | 6-4,6-3 | |
| Challenger - Fairfield | 10/09 23:05 | 25 | [160] Henri Laaksonen v Thiemo De Bakker [232] | 6-4,4-6,1-6 | |
| Challenger Monterrey | 10/02 00:15 | 25 | [137] Ivo Karlovic v Thiemo De Bakker [233] | 7-6,7-5 | |
| Challenger - Tiburon | 09/24 22:20 | 25 | [237] Thiemo De Bakker v Noah Rubin [138] | 0-6,0-6 | |
| Davise karikas | 09/14 20:00 | 26 | [20] Milos Raonic v Thiemo De Bakker [236] | 6-3,6-2,6-2 | |
| USA lahtised meistrivõistlused | 08/21 18:50 | 44 | [213] Thiemo De Bakker v JC Aragone [257] | 4-6,7-6,6-7 | |
| Challenger Sopot | 08/03 10:30 | 27 | [282] Pedro Cachin v Thiemo De Bakker [227] | 6-3,3-6,6-2 | |
| Challenger Sopot | 08/01 10:45 | 26 | [328] Gianluca Mager v Thiemo De Bakker [227] | 4-6,1-6 | |
| Challenger Sopot | 07/31 08:00 | 25 | [227] Thiemo De Bakker v Mats Moraing [148] | 7-6,6-2 | |
| Challenger - Tampere | 07/27 12:00 | 27 | [408] Tristan Lamasine v Thiemo De Bakker [238] | 7-6,6-1 |