[143] Yannick Hanfmann 4-0,4-1 Haerteis, Johannes [342] 2020-05-01 09:20
Round: 44
Face à face
| Ludwigshafen, Allemagne | 2019/07/03 09:00 | Haerteis, Johannes v Yannick Hanfmann | 3-6,3-6 |
Home History
| ATP - Dubaï | 2020/02/23 08:00 | Yannick Hanfmann v Dennis Novak | 3-6,4-6 |
| ATP - Dubaï | 2020/02/22 07:00 | Yannick Hanfmann v Carr, Simon | 7-6,6-1 |
| Challenger - Koblenz | 2020/02/21 12:30 | Bemelmans, Ruben v Yannick Hanfmann | 6-3,6-2 |
| Challenger - Koblenz | 2020/02/20 10:20 | Mukund Sasikumar v Yannick Hanfmann | 5-7,4-6 |
| Challenger - Koblenz | 2020/02/18 19:25 | Michael Vrbensky v Yannick Hanfmann | 7-6,4-6,6-7 |
| Challenger Launceston | 2020/02/04 03:00 | Yannick Hanfmann v Caruana, Liam | 1-6,2-6 |
| Challenger - Burnie | 2020/02/02 05:00 | Taro Daniel v Yannick Hanfmann | 6-2,6-2 |
| Challenger - Burnie | 2020/02/01 02:45 | Jason Kubler v Yannick Hanfmann | 4-6,1-6 |
Away History
| Las Vegas, Singles M-ITF-USA-07A | 2020/03/07 02:30 | Haerteis, Johannes v Petros Chrysochos | 2-6,7-5,4-6 |
| Las Vegas, Singles M-ITF-USA-07A | 2020/03/05 19:45 | Haerteis, Johannes v Blumenberg, Alex | 7-6,6-1 |
| Las Vegas, Singles M-ITF-USA-07A | 2020/03/04 19:15 | Haerteis, Johannes v Shane, Ryan | 6-4,6-4 |
| Challenger Columbus | 2020/02/27 19:50 | Haerteis, Johannes v Stebe, Cedrik-Marcel | 4-6,1-6 |
| Challenger Columbus | 2020/02/26 19:30 | Juan Pablo Ficovich v Haerteis, Johannes | 2-6,6-7 |
| Challenger Columbus | 2020/02/25 15:00 | Alexander Brown v Haerteis, Johannes | 3-6,6-7 |
| Drummondville, Canada | 2020/02/22 17:00 | Maxime Cressy v Haerteis, Johannes | 7-6,6-4 |
| Drummondville, Canada | 2020/02/21 17:40 | Roberto Cid Subervi v Haerteis, Johannes | 6-1,4-6,1-6 |