| UTR Pro Tennis Series Zadar | 2021/10/01 09:30 | Maxim Krapivin v Ivan Denisov | 5-7,3-6 |
| UTR Pro Tennis Series Zadar | 2021/09/29 15:00 | Maxim Krapivin v Michalis Sakellaridis | 2-6,2-6 |
| UTR Pro Tennis Series Zadar | 2021/09/28 11:00 | Maxim Krapivin v Deni Zmak | 2-6,2-5 |
| UTR Pro Tennis Series Zadar | 2021/09/27 11:00 | Ivan Liutarevich v Maxim Krapivin | 6-4,5-1 |
| ITF M15 Ulcinj | 2021/09/20 08:00 | Joris Moret v Maxim Krapivin | 6-3,6-2 |
| ITF M15 Ulcinj | 2021/09/12 08:00 | Maxim Krapivin v Eric Morris | 4-6,2-6 |
| ITF M15 Ulcinj | 2021/09/05 07:30 | Daniel Ibragimov v Maxim Krapivin | 7-5,7-6 |
| ITF M15 Novi Sad | 2021/07/25 10:45 | Maxim Krapivin v Valerio Aboian | 2-6,0-6 |
| UTR Pro Tennis Series Zadar | 2021/10/01 14:30 | Mile Matic v Lawrence Bataljin | 4-6,0-6 |
| UTR Pro Tennis Series Zadar | 2021/09/29 09:30 | Mile Matic v Filip Maric | 6-0,3-6,5-4 |
| UTR Pro Tennis Series Zadar | 2021/09/28 09:30 | Mile Matic v Petar Pjevcevic | 2-6,2-5 |
| UTR Pro Tennis Series Zadar | 2021/09/27 16:00 | Yanais Laurent v Mile Matic | 6-0,5-1 |
| ITF M15 Sibenik | 2021/04/18 08:00 | Giulio Colacioppo v Mile Matic | 3-6,6-2,10-3 |
| ITF M15 Opatija | 2021/03/22 10:10 | Mile Matic v Matyas Fuele | 6-1,3-6,5-10 |
| ITF M15 Opatija | 2021/03/21 08:00 | Pavle Daljev v Mile Matic | 6-7,6-7 |
| ITF M15 Rovinj | 2021/03/15 15:25 | Gian Marco Ortenzi v Mile Matic | 6-7,7-5,10-5 |