Stadium: Court 5 Round: 44 Ground: Grass
| Challenger Indian Wells | 2018/02/27 18:00 | Bradley Klahn v Jeremy Chardy | 3-6,4-6 |
| Challenger San Francisco | 2018/02/09 23:45 | Dominik Koepfer v Bradley Klahn | 6-2,7-6 |
| Challenger San Francisco | 2018/02/07 21:00 | Mitchell Krueger v Bradley Klahn | 7-6,4-6,4-6 |
| Challenger San Francisco | 2018/02/06 21:00 | Marcelo Arevalo v Bradley Klahn | 6-7,3-6 |
| Challenger Dallas | 2018/01/31 22:30 | Bradley Klahn v Taylor Fritz | 4-6,6-2,6-7 |
| Challenger Dallas | 2018/01/30 22:35 | Bradley Klahn v Marcos Giron | 6-4,2-6,6-4 |
| Challenger Newport Beach | 2018/01/28 18:00 | Taylor Fritz v Bradley Klahn | 3-6,7-5,6-0 |
| Challenger Newport Beach | 2018/01/27 18:00 | Cristian Garin v Bradley Klahn | 3-6,6-0,4-6 |
| Challenger Indian Wells | 2018/02/28 23:05 | Ricardo Ojeda Lara v Dudi Sela | 1-6,6-1,4-6 |
| Challenger Indian Wells | 2018/02/26 19:40 | Ricardo Ojeda Lara v Felix Auger Aliassime | 6-0,6-4 |
| ATP Marseille Qual | 2018/02/18 09:00 | Ricardo Ojeda Lara v Yannick Maden | 1-6,0-6 |
| ATP Montpellier Qual | 2018/02/05 13:55 | Norbert Gombos v Ricardo Ojeda Lara | 6-2,6-2 |
| ATP Montpellier Qual | 2018/02/04 13:30 | Bernabe Zapata Miralles v Ricardo Ojeda Lara | 6-4,2-6,4-6 |
| Challenger Quimper | 2018/01/30 12:00 | Ricardo Ojeda Lara v Jaume Munar | 0-6,6-4,3-6 |
| Australian Open Qual | 2018/01/11 07:30 | Bradley Mousley v Ricardo Ojeda Lara | 5-7,6-3,6-4 |
| Australian Open Qual | 2018/01/10 02:30 | Ricardo Ojeda Lara v Luca Vanni | 7-6,3-6,6-3 |