Stadium: Court 5 Round: 45 Ground: Clay
| Challenger Prostejov Qual | 2018/06/03 15:05 | Andreas Haider-Maurer v Tomas Liska | 3-6,5-7 |
| Challenger Prostejov Qual | 2018/06/03 09:40 | Geoffrey Blancaneaux v Andreas Haider-Maurer | 2-6,4-6 |
| French Open | 2018/05/28 09:00 | Karen Khachanov v Andreas Haider-Maurer | 7-6,6-3,6-3 |
| ATP Geneva | 2018/05/21 11:50 | Andreas Haider-Maurer v Tennys Sandgren | 6-1,1-6,0-6 |
| Challenger Rome | 2018/05/08 10:35 | Kevin Krawietz v Andreas Haider-Maurer | 6-1,6-3 |
| Challenger Rome Qual | 2018/05/07 08:00 | Andreas Haider-Maurer v Patricio Heras | 7-6,6-4 |
| Challenger Rome Qual | 2018/05/06 10:50 | Kimmer Coppejans v Andreas Haider-Maurer | 6-7,6-4,4-6 |
| Challenger Rome Qual | 2018/05/05 12:05 | Andrea Giallanza v Andreas Haider-Maurer | 1-6,1-6 |
| Challenger Loughborough Qual | 2018/05/19 13:30 | Robert Galloway v Jurij Rodionov | 0-6,5-7 |
| Challenger Lisbon Qual | 2018/05/13 14:35 | Joris De Loore v Robert Galloway | 6-1,6-1 |
| Challenger Lisbon Qual | 2018/05/12 14:55 | Robert Galloway v Hunter Reese | 6-3,6-1 |
| Challenger Tallahassee Qual | 2018/04/21 14:00 | Nathaniel Lammons v Robert Galloway | 7-5,6-4 |
| Challenger Sarasota Qual | 2018/04/14 16:20 | Robert Galloway v Samuel Shropshire | 2-6,2-6 |
| ITF Bahrain F1 | 2018/03/22 14:15 | Robert Galloway v Riccardo Maiga | 4-6,2-6 |
| ITF Bahrain F1 | 2018/03/21 14:00 | Robert Galloway v Palaphoom Kovapitukted | 6-7,6-1,7-6 |
| ITF Bahrain F1 | 2018/03/20 16:00 | Fred Simonsson v Robert Galloway | 7-6,4-6,4-6 |