Stadium: Clay 6 Round: 25 Ground: Hardcourt outdoor
| Challenger Tallahassee Qual | 2018/04/21 15:50 | Trent Bryde v Erik Crepaldi | 6-1,4-6,6-2 |
| Challenger Sarasota Qual | 2018/04/14 19:10 | Erik Crepaldi v Frank Dancevic | 4-6,2-6 |
| Challenger Sarasota Qual | 2018/04/14 15:30 | Erik Crepaldi v Caio Silva | 6-3,6-1 |
| Challenger Mexico City Qual | 2018/04/08 18:00 | Erik Crepaldi v Rubin Statham | 5-7,4-6 |
| Challenger Mexico City Qual | 2018/04/07 20:00 | Erik Crepaldi v Patricio B Gonzalez | 6-2,4-6,6-1 |
| ITF Greece F5 | 2018/03/27 07:00 | Yannick Jankovits v Erik Crepaldi | 7-6,7-5 |
| ITF Greece F4 | 2018/03/23 10:45 | Jonathan Gray v Erik Crepaldi | 6-3,5-7,6-2 |
| ITF Greece F4 | 2018/03/20 08:00 | Petros Tsitsipas v Erik Crepaldi | 4-6,0-6 |
| ATP Sydney Qual | 2018/01/06 00:50 | Christopher O'Connell v Nicolas Mahut | 6-2,4-6,4-6 |
| Challenger Playford Qual | 2018/01/01 01:00 | Christopher O'Connell v Marinko Matosevic | 4-6,0-6 |
| Challenger Playford Qual | 2017/12/31 00:30 | Brydan Klein v Christopher O'Connell | 6-3,6-7,2-6 |
| Challenger Playford Qual | 2017/12/29 23:30 | Christopher O'Connell v Mislav Bosnjak | 7-6,6-1 |
| Australian Open WC | 2017/12/13 03:00 | Omar Jasika v Christopher O'Connell | 7-6,3-6,6-1,4-6,6-4 |
| Australian Open WC | 2017/12/11 02:00 | Blake Ellis v Christopher O'Connell | 7-6,4-6,3-6,4-6 |
| Challenger Canberra 2 | 2017/10/31 02:20 | Christopher O'Connell v Andrew Harris | 3-6,6-7 |
| Challenger Canberra 2 Qual | 2017/10/29 00:30 | Christopher O'Connell v Gavin Van Peperzeel | 7-6,6-7,6-7 |