ATP Tennis - Yannick Hanfmann
- Tournament: N/A
- Round: N/A
- Opponent: N/A
- DOB: 1991-11-13
- Birthplace: Germany, Germany
- Height: 76.0 cm
- Weight: 185.0 kg
- Plays: R
- Current World Rank: 99
- Hard: 2-7
- Clay: 16-13
- Grass: 1-1
| Tournament | Date | Sets | Round | Winner | Loser |
|---|---|---|---|---|---|
| Sardegna Open | Apr 9, 2021 | 3-6, 7-6 (8-6), 6-3 | Quarter Finals | Lorenzo Sonego | Yannick Hanfmann |
| Sardegna Open | Apr 8, 2021 | 7-5, 6-1 | Second Round | Yannick Hanfmann | Marco Cecchinato |
| Sardegna Open | Apr 5, 2021 | 7-6 (10-8), 5-7, 6-3 | First Round | Yannick Hanfmann | Tommy Paul |
| Miami Masters | Mar 26, 2021 | 6-3, 6-2 | Second Round | Karen Khachanov | Yannick Hanfmann |
| Miami Masters | Mar 24, 2021 | 7-5, 6-2 | First Round | Yannick Hanfmann | Steve Johnson |
| Open 13 | Mar 10, 2021 | 6-2, 6-0 | First Round | Egor Gerasimov | Yannick Hanfmann |
| Singapore Tennis Open | Feb 25, 2021 | 6-7 (2-7), 7-6 (9-7), 6-3 | Second Round | Radu Albot | Yannick Hanfmann |
| Singapore Tennis Open | Feb 23, 2021 | 6-2, 6-4 | First Round | Yannick Hanfmann | James Duckworth |
| Australian Open | Feb 8, 2021 | 6-3, 6-3, 6-4 | First Round | Andrey Rublev | Yannick Hanfmann |
| Great Ocean Road Open | Feb 2, 2021 | 7-6 (7-2), 6-4 | First Round | Mario Vilella Martinez | Yannick Hanfmann |
