March |
| 11 | 9-15 Mar | ITF World Tennis Tour (Men) | Porec | CRO | M15 | EL, Results | | | |
| 12 | 14-20 Mar | TEJT 12&U | Vrsar | CRO | Category 1 | FS, EL, Results, OP | | | |
| 12 | 14-22 Mar | TEJT 16&U | Veli Lošinj | CRO | Category 3 | FS, EL, Results, OP | | | |
| 12 | 16-22 Mar | ITF World Tennis Tour (Men) | Rovinj | CRO | M15 | EL, Results | | | |
| 12 | 16-22 Mar | ATP Challenger | Zadar | CRO | ATP 75 | MS, MD, SQ | | | |
| 13 | 21-29 Mar | TEJT 14&U | Veli Lošinj | CRO | Category 2 | FS, EL, Results, OP | | | |
| 13 | 23-29 Mar | WTA Tour | Dubrovnik Open | CRO | WTA 125 | WS, WD, SQ | | | |
| 13 | 23-29 Mar | ITF World Tennis Tour (Men) | Opatija | CRO | M15 | EL, Results | | | |
| 13 | 23-29 Mar | ATP Challenger | Split | CRO | ATP 50 | MS, MD, SQ | | | |
| 13 | 23-29 Mar | ITF World Tennis Tour (Juniors) | Vrsar | CRO | J300 | EL, Results | | | |
| 14 | 28 Mar-5 Apr | TEJT 16&U | Rijeka | CRO | Category 2 | FS, EL, Results, OP | | | |
April |
| 15 | 4-12 Apr | TEJT 14&U | Vinkovci | CRO | Category 3 | FS, EL, Results, OP | | | |
| 16 | 11-19 Apr | TEJT 14&U | Solin | CRO | Category 3 | FS, EL, Results, OP | | | |
| 16 | 13-19 Apr | ITF World Tennis Tour (Men) | Dubrovnik | CRO | M15 | EL, Results | | | |
| 17 | 18-26 Apr | TEJT 14&U | Zagreb | CRO | Category 2 | FS, EL, Results, OP | | | |
| 18 | 26 Apr-3 May | TEJT 12&U | Čakovec | CRO | Category 2 | FS, EL, Results, OP | | | |
May |
| 20 | 11-17 May | ATP Challenger | Zagreb | CRO | ATP 75 | | | | |
June |
| 23 | 1-7 Jun | WTA Tour | Makarska Open | CRO | WTA 125 | | | | |
| 26 | 22-28 Jun | TEJT 16&U | Čakovec | CRO | Category 2 | FS | | | |
July |
| 29 | 13-19 Jul | TEJT 12&U | Dubrovnik | CRO | Category 2 | FS | | | |
| 29 | 13-19 Jul | TEJT 16&U | Đakovo | CRO | Category 3 | FS | | | |
| 29 | 13-19 Jul | ATP Tour | Plava Laguna Croatia Open Umag | CRO | ATP 250 | | | | |
August |
| 36 | 31 Aug-6 Sep | TEJT 14&U | Zadar | CRO | Category 3 | FS | | | |
September |
| 38 | 14-20 Sep | TEJT 14&U | Vrsar | CRO | Category 3 | FS | | | |
| 39 | 21-27 Sep | TEJT 12&U | Poreč | CRO | Category 2 | FS | | | |
| 40 | 28 Sep-4 Oct | TEJT 14&U | Poreč | CRO | Category 3 | FS | | | |
October |
| 42 | 12-18 Oct | TEJT 12&U | Split | CRO | Category 2 | FS | | | |
November |
| 48 | 23-29 Nov | TEJT 14&U | Osijek | CRO | Category 3 | FS | | | |
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