Stadium: C Round: 25 Ground: Clay
| Challenger Marburg | 2017/07/04 10:00 | Casper Ruud v Tim Puetz | 6-2,6-7,6-2 |
| Challenger Yokohama | 2018/02/27 02:20 | Duckhee Lee v Tim Puetz | 4-6,6-4,6-3 |
| Challenger Kyoto | 2018/02/24 02:30 | Tim Puetz v Jordan Thompson | 6-3,5-7,4-6 |
| Challenger Kyoto | 2018/02/23 02:30 | Tobias Kamke v Tim Puetz | 4-6,0-6 |
| Challenger Kyoto | 2018/02/22 02:55 | Tim Puetz v Prajnesh Gunneswaran | 7-6,6-2 |
| Challenger Kyoto | 2018/02/20 03:45 | Cem Ilkel v Tim Puetz | 3-6,2-6 |
| Challenger Canberra | 2018/01/09 00:00 | Tim Puetz v Soonwoo Kwon | 5-7,7-6,6-4 |
| Challenger Noumea | 2018/01/04 00:00 | Tim Puetz v Taylor Fritz | 3-6,6-3,2-6 |
| Challenger Noumea | 2018/01/03 01:30 | Tim Puetz v Hubert Hurkacz | 7-5,6-1 |
| ATP Miami Qual | 2018/03/19 14:00 | John Millman v Casper Ruud | 6-3,7-6 |
| ATP Indian Wells Qual | 2018/03/07 22:20 | Ricardas Berankis v Casper Ruud | 2-6,6-2,6-2 |
| ATP Indian Wells Qual | 2018/03/07 02:20 | Casper Ruud v Henri Laaksonen | 6-1,6-4 |
| ATP Buenos Aires Qual | 2018/02/11 18:50 | Marco Cecchinato v Casper Ruud | 6-3,7-6 |
| ATP Buenos Aires Qual | 2018/02/10 20:45 | Joao Domingues v Casper Ruud | 1-6,3-6 |
| ATP Quito | 2018/02/08 21:25 | Casper Ruud v Gael Monfils | 4-6,6-3,4-6 |
| ATP Quito | 2018/02/05 22:50 | Casper Ruud v Carlos Berlocq | 7-5,6-0 |
| Australian Open | 2018/01/17 06:35 | Diego Schwartzman v Casper Ruud | 6-4,6-2,6-3 |