World No. 2 · 35 career titles · career win–loss 1164–628. Match history, ranking timeline and head-to-head records below.

| Country | Germany |
| Born | 1997 |
| Plays | Right-handed |
| Backhand | One-handed |
| Height | 198 cm |
| Win–loss | 1164–628 |
| Grand Slam titles | 2 |
| Ranking | #2 · 9 690 pts |
| Career high | #2 |
Strength 0–100 is our own calculation, not an official tour ranking: 100 is the strongest in history, 70 is about the level of the world No. 100.
| Event · Round | Opponent | Score | Surface | |
|---|---|---|---|---|
| W | Laver Cup · UNK | Alex De Minaur (AUS) | 4-1 | Hard |
| W | Davis Cup Qualifiers 2nd Rd · RR | Dino Prizmic (CRO) | 6-2, 6-4 | Hard |
| W | Davis Cup Qualifiers 2nd Rd · RR | Matej Dodig (CRO) | 6-4, 7-6 | Hard |
| W | US Open · F | Ben Shelton (USA) | 6-3, 7-6, 5-7, 6-2 | Hard |
| W | US Open · QF | Botic Van De Zandschulp (NED) | 6-2, 7-5, 6-1 | Hard |
| W | US Open · R32 | Alejandro Tabilo (CHI) | 6-2, 7-6, 6-2 | Hard |
| W | US Open · SF | Karen Khachanov (RUS) | 6-3, 7-6, 7-6 | Hard |
| W | US Open · R128 | Lorenzo Sonego (ITA) | 6-4, 3-6, 6-7, 7-5, 6-4 | Hard |
| W | US Open · R16 | Luciano Darderi (ITA) | 6-2, 6-2, 7-6 | Hard |
| W | US Open · R64 | Quentin Halys (FRA) | 6-4, 4-6, 7-6, 6-7, 6-3 | Hard |
| L | US Open · R16 | Taylor Townsend (USA) | 4-2, 4-2 | |
| L | Cincinnati, USA · R16 | Marcelo Melo | 7-6(4), 6-3 |
| Season | Win–Loss | Titles | Year-end rank |
|---|---|---|---|
| 2026 | 70–30 | 3 | |
| 2025 | 61–39 | 1 | |
| 2024 | 86–32 | 2 | |
| 2023 | 70–42 | 2 | |
| 2022 | 40–21 | ||
| 2021 | 86–28 | 6 | |
| 2020 | 47–26 | 3 | |
| 2019 | 78–46 | 2 | |
| 2018 | 128–61 | 6 | |
| 2017 | 146–65 | 8 | |
| 2016 | 67–48 | 1 | |
| 2015 | 65–51 | 2 |