| Challenger - Hamburg | 10/27 09:00 | 25 | Jeffrey John Wolf v Martin Klizan | Cancelled | |
| Challenger - Istanbul | 10/25 10:30 | 29 | [168] Martin Klizan v Ilya Ivashka [129] | 1-6,4-6 | |
| Challenger - Istanbul | 10/24 09:55 | 28 | [168] Martin Klizan v Borna Gojo [245] | 6-4,7-5 | |
| Challenger - Istanbul | 10/23 08:00 | 27 | [223] Mackenzie McDonald v Martin Klizan [168] | 6-4,4-6,3-6 | |
| Challenger - Istanbul | 10/22 08:00 | 26 | [168] Martin Klizan v Roberto Marcora [179] | 7-6,6-1 | |
| Challenger - Istanbul | 10/20 12:15 | 25 | [218] Illya Marchenko v Martin Klizan [168] | 6-7,3-6 | |
| Challenger Split | 10/01 11:55 | 26 | [164] Martin Klizan v Duje Ajdukovic [462] | 0-6,4-6 | |
| Challenger Split | 09/29 09:00 | 25 | [164] Martin Klizan v Constant Lestienne [225] | 4-6,6-3,6-4 | |
| French Open | 09/23 12:40 | 15 | [161] Kimmer Coppejans v Martin Klizan [162] | 2-6,6-2,6-4 | |
| French Open | 09/21 13:50 | 14 | [161] Martin Klizan v Peter Gojowczyk [128] | 6-2,6-7,6-4 | |
| Challenger - Prostejov | 09/10 12:20 | 27 | [87] Stefano Travaglia v Martin Klizan [166] | 3-6,6-2,6-1 | |
| Challenger - Prostejov | 09/09 12:25 | 26 | [166] Martin Klizan v Pedro Martinez [106] | 1-6,7-6,6-1 | |
| Challenger - Prostejov | 09/07 15:15 | 25 | [146] Alex Bolt v Martin Klizan [166] | 3-6,3-6 | |
| Challenger - Ostrava | 08/31 10:35 | 25 | [193] Frederico Ferreira Silva v Martin Klizan [166] | 7-6,6-2 | |
| Challenger - Praga 2 | 08/24 10:55 | 25 | [159] Martin Klizan v Renzo Olivo [209] | 4-6,5-7 | |
| Challenger - Praga | 08/18 13:15 | 25 | [159] Martin Klizan v Elias Ymer [201] | 2-6,6-2,2-6 | |
| ATP - Santiago | 02/25 18:45 | 25 | [85] Federico Delbonis v Martin Klizan [158] | 6-1,7-6 | |
| ATP - Santiago | 02/23 15:00 | 164 | [161] Martin Klizan v Orlando Luz [306] | 6-4,6-1 | |
| ATP - Santiago | 02/22 15:00 | 64 | Martin Klizan v Vadym Ursu | 6-0,6-0 | |
| Challenger - Bangkok 2 | 01/21 11:45 | 25 | [263] Daniel Altmaier v Martin Klizan [144] | 6-3,6-3 | |
| Australian Open | 01/14 03:00 | 44 | [240] Pedja Krstin v Martin Klizan [142] | 6-3,6-2 | |
| Challenger - Noumea | 01/10 00:50 | 27 | [100] Yuichi Sugita v Martin Klizan [140] | 6-1,6-2 | |
| Challenger - Noumea | 01/09 06:45 | 26 | [140] Martin Klizan v Christopher O'Connell [117] | 7-6,6-2 | |
| Challenger - Noumea | 01/08 07:40 | 25 | [140] Martin Klizan v Thai-Son Kwiatkowski [253] | 7-6,4-6,6-4 | |
| Cehia - Extraliga | 12/18 12:25 | 1 | [141] Martin Klizan v Kamil Majchrzak [101] | Retired | |
| Cehia - Extraliga | 12/16 12:00 | - | Martin Klizan v Niels Desein | 5-7,6-4,6-2 | |
| Cehia - Extraliga | 12/14 12:30 | 1 | [142] Martin Klizan v Borna Coric [28] | 7-6,2-6,3-6 | |
| Challenger Florence | 09/25 11:30 | 25 | [191] Mario Vilella Martinez v Martin Klizan [121] | Retired | |
| ATP - St Petersburg | 09/17 12:15 | 25 | [77] Roberto Carballes Baena v Martin Klizan [90] | 6-2,7-5 | |
| Cupa Davis | 09/14 15:40 | - | Martin Klizan v Henri Laaksonen | Cancelled |