Stadium: Center Court Round: 25 Ground: Hardcourt indoor
| Challenger Shymkent | 2018/06/06 10:10 | Ante Pavic v Hugo Dellien | 2-6,4-6 |
| Challenger Shymkent | 2018/06/04 07:05 | Ante Pavic v Aldin Setkic | 6-2,6-4 |
| Challenger Vicenza Qual | 2018/05/26 09:35 | Frank Dancevic v Ante Pavic | 6-3,7-5 |
| Challenger Loughborough | 2018/05/22 14:15 | Ante Pavic v Teymuraz Gabashvili | 4-6,4-6 |
| Challenger Puerto Vallarta | 2018/05/03 21:00 | Danilo Petrovic v Ante Pavic | 6-3,6-2 |
| Challenger Puerto Vallarta | 2018/05/02 19:00 | Ante Pavic v Viktor Durasovic | 7-6,6-2 |
| Challenger Puerto Vallarta | 2018/05/01 19:30 | Ante Pavic v Manuel Sanchez | 6-2,6-3 |
| Challenger Leon | 2018/04/27 19:30 | Alejandro Gonzalez v Ante Pavic | 3-6,6-4,6-1 |
| Challenger Surbiton | 2018/06/07 10:00 | Denis Kudla v Lukas Lacko | 6-4,6-0 |
| Challenger Surbiton | 2018/06/04 14:35 | Dennis Novikov v Lukas Lacko | 6-4,1-6,5-7 |
| Challenger Loughborough | 2018/05/23 11:00 | Lukas Lacko v Yosuke Watanuki | 3-6,5-7 |
| Challenger Glasgow | 2018/05/06 12:00 | Lukas Lacko v Luca Vanni | 4-6,7-6,6-4 |
| Challenger Glasgow | 2018/05/05 10:00 | Lukas Lacko v David Guez | 6-3,6-4 |
| Challenger Glasgow | 2018/05/04 09:30 | Lukas Lacko v Guillermo Olaso | 6-2,6-3 |
| Challenger Glasgow | 2018/05/03 12:00 | Lukas Lacko v Hiroki Moriya | 6-1,6-4 |
| Challenger Glasgow | 2018/05/02 12:30 | Lukas Lacko v Joris De Loore | 6-4,6-4 |