Stadium: Center Court Round: 29 Ground: Clay
| ATP Cologne | 2020/10/13 12:00 | Daniel Altmaier v Henri Laaksonen | 6-3,3-6,6-7 |
| ITF Germany F3 | 2015/01/22 12:00 | Daniel Altmaier v Henri Laaksonen | 2-6,2-6 |
| Australian Open | 2021/02/09 04:20 | Henri Laaksonen v Salvatore Caruso | 2-6,4-6,3-6 |
| ATP Great Ocean Road Open | 2021/02/02 04:05 | Sam Querrey v Henri Laaksonen | 4-6,7-6,6-0 |
| Australian Open | 2021/01/13 07:30 | Henri Laaksonen v Borna Gojo | 6-7,6-4,7-6 |
| Australian Open | 2021/01/12 07:30 | Henri Laaksonen v Steven Diez | 3-6,6-4,6-2 |
| Australian Open | 2021/01/10 07:30 | Henri Laaksonen v Tobias Kamke | 7-5,6-3 |
| Challenger Maia | 2020/12/04 12:00 | Bernabe Zapata Miralles v Henri Laaksonen | 6-2,3-6,6-4 |
| Challenger Maia | 2020/12/02 12:20 | Quentin Halys v Henri Laaksonen | 3-6,1-6 |
| Challenger Maia | 2020/11/30 11:00 | Zdenek Kolar v Henri Laaksonen | 4-6,3-6 |
| Challenger Antalya | 2021/02/02 07:30 | Daniel Altmaier v Alessandro Giannessi | 6-7,2-6 |
| Challenger Antalya | 2021/01/28 11:15 | Paolo Lorenzi v Daniel Altmaier | 6-4,6-2 |
| ATP Cologne 2 | 2020/10/19 16:00 | Egor Gerasimov v Daniel Altmaier | 6-1,6-0 |
| ATP Cologne | 2020/10/13 12:00 | Daniel Altmaier v Henri Laaksonen | 6-3,3-6,6-7 |
| French Open | 2020/10/05 18:30 | Pablo Carreno Busta v Daniel Altmaier | 6-2,7-5,6-2 |
| French Open | 2020/10/03 09:00 | Daniel Altmaier v Matteo Berrettini | 6-2,7-6,6-4 |
| French Open | 2020/10/01 10:30 | Jan-Lennard Struff v Daniel Altmaier | 3-6,6-7,3-6 |
| French Open | 2020/09/28 18:05 | Daniel Altmaier v Feliciano Lopez | 7-6,6-4,6-4 |