Maks Kasnikowski
2021
| Us Open Junior | [15] | 3R |
| Jb1Klosters | [3] | 2R |
| Thejuniorchampionships | [12] | 1R |
| Wimbledon Junior | [12] | 1R |
| J1Roehampton | [13] | 1R |
| Roland Garros Junior | 3R | |
| J1Bytom | [1] | Semi |
| J2Siauliai | [1] | 2R |
| J1Svyatopetrivskevillage | [1] | 2R |
2020
Nation
POL
Age
22 years old (born in 2003)
World Ranking
ATP Ranking　531th
Year-end Junior World Ranking
- Year-end 2021 45th
- Year-end 2020 43th
- Year-end 2019 296th
Match Details
2021 Us Open Junior
| W | 2R | Ethan Quinn | 4-6 6-0 7-6 |
| L | 3R | Samir Banerjee | 7-5 2-6 2-6 |
2021 Jb1Klosters
| L | 2R | Jaime Faria | 4-6 6-0 6-7 |
2021 Thejuniorchampionships
| L | 1R | Samir Banerjee | 2-6 6-2 3-6 |
2021 Wimbledon Junior
| L | 1R | Samir Banerjee | 2-6 6-2 3-6 |
2021 J1Roehampton
| L | 1R | Philip Florig | 6-1 3-6 6-7 |
2021 Roland Garros Junior
| W | 1R | Jack Pinnington Jones | 6-3 6-4 |
| W | 2R | Coleman Wong | 6-3 3-6 6-3 |
| L | 3R | Viacheslav Bielinskyi | 6-2 3-6 1-6 |
2021 J1Bytom
| W | 1R | Jakub Mensik | 6-4 7-5 |
| W | 2R | Luka Mikrut | 6-4 6-2 |
| W | QF | Vilius Gaubas | 6-4 6-4 |
| L | SF | Alejandro Manzanera Pertusa | 2-6 4-6 |
2021 J2Siauliai
| W | 1R | Melchior Delloye | 7-5 6-1 |
| L | 2R | Edas Butvilas | 6-7 4-6 |
2021 J1Svyatopetrivskevillage
| W | 1R | Andrii Zimnokh | 6-2 6-3 |
| L | 2R | Vojtech Petr | 6-1 6-7 5-7 |
2020 Roland Garros Junior
| L | 1R | Raphael Collignon | 4-6 6-3 4-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9232, Number of registered players: 5,739, Number of registered results: 303,630