| Challenger Les Franqueses del Vallès | 03/20 10:00 | 14 | [361] Maks Kasnikowski v Georgii Kravchenko [397] | 6-7,7-5,6-3 | |
| ITF M15 Monastir | 02/26 09:00 | 29 | Maks Kasnikowski v Lucas Catarina | 6-4,6-0 | |
| ITF M15 Monastir | 02/25 10:45 | 28 | Maks Kasnikowski v Gabriel Debru | 4-6,6-2,6-1 | |
| ITF M15 Monastir | 02/24 08:30 | 27 | Maks Kasnikowski v Federico Iannaccone | 6-4,2-6,6-4 | |
| ITF M15 Monastir | 02/23 09:30 | 26 | Maks Kasnikowski v Amaury Raynel | 7-5,6-3 | |
| ITF M15 Monastir | 02/22 08:30 | 25 | Maks Kasnikowski v Nicolas Tepmahc | 3-6,6-3,6-2 | |
| ITF M15 Monastir | 02/17 08:30 | 27 | Lorenzo Rottoli v Maks Kasnikowski | 6-3,7-6 | |
| ITF M15 Monastir | 02/16 10:35 | 26 | Ryan Nijboer v Maks Kasnikowski | 2-6,4-6 | |
| ITF M15 Monastir | 02/14 09:00 | 25 | Franco Roncadelli v Maks Kasnikowski | 3-6,2-6 | |
| Davis Cup | 02/05 01:00 | 45 | Kaichi Uchida v Maks Kasnikowski | 6-2,7-5 | |
| Challenger Drummondville | 11/17 16:30 | 26 | [396] Maks Kasnikowski v Michael Mmoh [118] | 3-6,5-7 | |
| Challenger Drummondville | 11/15 19:00 | 25 | [396] Maks Kasnikowski v Skander Mansouri [261] | 6-4,7-5 | |
| Challenger Drummondville | 11/14 20:10 | 19 | Maks Kasnikowski v Roko Horvat | 6-3,6-4 | |
| Challenger Drummondville | 11/13 22:10 | 14 | [470] Maks Kasnikowski v Benjamin Sigouin [499] | 7-5,2-6,6-1 | |
| Challenger Calgary | 11/12 23:30 | 28 | [165] Aleksandar Vukic v Maks Kasnikowski [470] | 7-5,7-6 | |
| Challenger Calgary | 11/12 03:10 | 27 | [470] Maks Kasnikowski v Vasek Pospisil [118] | 7-6,6-3 | |
| Challenger Calgary | 11/10 19:20 | 26 | [470] Maks Kasnikowski v Alfredo Perez [312] | 6-4,6-4 | |
| Challenger Calgary | 11/08 18:10 | 25 | [211] Brandon Holt v Maks Kasnikowski [470] | 4-6,6-3,5-7 | |
| Challenger Calgary | 11/07 17:00 | 19 | [470] Maks Kasnikowski v Kai Wehnelt [253] | 4-6,7-6,6-1 | |
| Challenger Calgary | 11/06 18:45 | 14 | Maks Kasnikowski v Simon Carr | 3-6,6-3,7-5 | |
| ITF M15 Sozopol | 10/23 07:00 | 29 | Alexandar Lazarov v Maks Kasnikowski | 6-2,6-4 | |
| ITF M15 Sozopol | 10/22 08:40 | 28 | Maks Kasnikowski v Simeon Terziev | 6-4,6-0 | |
| ITF M15 Sozopol | 10/21 08:15 | 27 | Riccardo Balzerani v Maks Kasnikowski | 2-6,5-7 | |
| ITF M15 Sozopol | 10/20 11:25 | 26 | Gabriel Donev v Maks Kasnikowski | 0-6,6-7 | |
| ITF M15 Sozopol | 10/19 10:20 | 25 | Mihai Razvan Marinescu v Maks Kasnikowski | 6-7,2-6 | |
| ITF M15 Sozopol | 10/15 14:00 | 28 | Alexandar Lazarov v Maks Kasnikowski | 6-7,6-2,6-2 | |
| ITF M15 Sozopol | 10/14 09:15 | 27 | Maks Kasnikowski v Cengiz Aksu | 6-2,6-0 | |
| ITF M15 Sozopol | 10/13 07:00 | 26 | Maks Kasnikowski v Gabriel Donev | 6-4,6-4 | |
| ITF M15 Sozopol | 10/12 07:00 | 25 | Maks Kasnikowski v Admir Kalender | 6-1,4-6,6-1 | |
| ITF M15 Sozopol | 10/09 07:00 | 29 | Sebastian Gima v Maks Kasnikowski | 7-5,6-2 |
Maks Kaśnikowski (born 6 July 2003) is a Polish tennis player.
Kaśnikowski has a career high ATP singles ranking of world No. 245 achieved on 15 April 2024. He also has a career high ATP doubles ranking of No. 688 achieved on 8 May 2023.
Kaśnikowski represents Poland at the Davis Cup, where he has a W/L record of 2–1.
In October, he reached his first Challenger final in Ortisei, Italy and moved into a new career high in the top 290 in the rankings, that he first reached on 3 July 2023.
He won his first Challenger title at the 2024 Oeiras Indoors, saving six match points in the opening round against Adrian Andreev, becoming the second-youngest Polish champion in history to win a title. Only a 19-year-old Jerzy Janowicz was younger when he won his title in St. Remy, France in 2010.