| Challenger Lugano | 02/23 15:15 | 25 |
[247] Tom Gentzsch v
Timofey Skatov
[192] 
|
3-6,5-7 | |
| Challenger Tenerife | 02/13 15:10 | 27 |
[251] Tom Gentzsch v
Daniel Merida
[152] 
|
1-6,4-6 | |
| Challenger Tenerife | 02/12 14:45 | 26 |
[108] Francesco Maestrelli
v
Tom Gentzsch [251] |
4-6,4-6 | |
| Challenger Tenerife | 02/11 10:00 | 25 | Tom Gentzsch v Benjamin Willwerth | 2-6,6-0,7-6 | |
| Challenger Koblenz | 02/08 12:00 | 29 |
[470] Pavel Kotov
v
Tom Gentzsch [277] |
6-4,1-6,7-6 | |
| Challenger Koblenz | 02/07 13:20 | 28 | [277] Tom Gentzsch v Christoph Negritu [384] | 7-6,7-6 | |
| Challenger Koblenz | 02/06 17:15 | 27 | [277] Tom Gentzsch v Florian Broska [365] | 6-7,6-2,6-2 | |
| Challenger Koblenz | 02/05 11:00 | 26 | [277] Tom Gentzsch v Martin Krumich [339] | 6-3,6-4 | |
| Challenger Koblenz | 02/03 17:00 | 25 | [277] Tom Gentzsch v Diego Dedura [314] | 6-3,5-7,6-4 | |
| M25 Nussloch | 01/31 13:30 | - | Tom Gentzsch v Karlis Ozolins | 2-6,3-6 | |
| M25 Nussloch | 01/30 12:30 | - | Tom Gentzsch v Nino Ehrenschneider | 6-7,6-4,6-2 | |
| M25 Nussloch | 01/29 18:51 | - | Tom Gentzsch v Maik Steiner | 6-0,6-2 | |
| M25 Nussloch | 01/28 15:30 | - | [283] Tom Gentzsch v Filippo Romano [178] | 6-7,7-5,6-6 | |
| Challenger Soma Bay | 01/19 12:30 | 25 |
[283] Tom Gentzsch v
Jack Pinnington Jones
[197] 
|
1-6,6-7 | |
| Challenger Glasgow | 01/15 13:20 | 27 |
[293] Mikhail Kukushkin
v
Tom Gentzsch [283] |
6-2,6-4 | |
| Challenger Glasgow | 01/14 14:40 | 26 | [283] Tom Gentzsch v Marvin Moeller [459] | 7-5,6-2 | |
| Challenger Glasgow | 01/13 14:40 | 25 | Tom Gentzsch v Carl Emil Overbeck | 7-6,6-2 | |
| Challenger Nottingham | 01/08 12:40 | 27 | [233] Johannus Monday v Tom Gentzsch [289] | 6-1,6-3 | |
| Challenger Nottingham | 01/07 13:35 | 26 | [347] Martin Krumich v Tom Gentzsch [289] | 6-4,3-6,6-7 | |
| Challenger Nottingham | 01/06 15:30 | 25 |
[345] Mika Brunold
v
Tom Gentzsch [289] |
7-6,4-6,4-6 | |
| Challenger Bergamo | 11/19 09:30 | 25 |
[313] Duren
v
Tom Gentzsch [286] |
7-6,6-4 | |
| Challenger Bergamo | 11/19 09:00 | 25 | Daniil Glinka v Tom Gentzsch | Cancelled | |
| Challenger Lyon | 11/09 10:00 | 14 | [287] Tom Gentzsch v Marat Sharipov [279] | 4-6,2-6 | |
| Challenger Helsinki | 11/03 11:30 | 19 |
[219] Sascha Gueymard Wayenburg
v
Tom Gentzsch [287] |
6-3,6-1 | |
| Challenger Helsinki | 11/02 10:20 | 14 | [374] Milos Karol v Tom Gentzsch [274] | 6-4,6-7,2-6 | |
| ITF M25 Glasgow | 10/28 11:30 | - | Tom Gentzsch v Mateusiak/Cwalina | 2-6,7-6,3-5 | |
| Challenger Hamburg | 10/24 10:00 | 27 | [227] HWA Gaming v Tom Gentzsch [284] | 6-2,6-2 | |
| Challenger Hamburg | 10/23 12:35 | 26 |
[284] Tom Gentzsch v
Chris Rodesch
[191] 
|
Retired | |
| Challenger Hamburg | 10/22 08:30 | 25 | [378] Petr Brunclik v Tom Gentzsch [284] | 1-6,2-6 | |
| ITF M15 Monastir | 10/11 09:00 | - | Tom Gentzsch v Seydina Andre | 6-7,6-4,4-6 |
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