Claus Piening
- Negara
- Jerman
- Tanggal lahir
- 2004-01-01
- Peringkat ATP
- 1516 · 4.0 poin
- Peringkat langsung
- 1508 · 4 poin
- Musim 2026
- 4–1
Pertandingan terbaru
| Tanggal | Turnamen | Babak | Lawan | Skor | Hasil |
|---|---|---|---|---|---|
| 2026-09-26 | Pardubice | QF | Jiri Cizek | 1-6 6-3 6-7(5) | kalah |
| 2026-09-25 | Pardubice | R16 | Kalin Ivanovski | 7-5 1-2 | menang |
| 2026-09-23 | Pardubice | R32 | Martin Soukal | 6-2 6-2 | menang |
| 2026-09-22 | Pardubice | R32 | Andrea Brignacca | 3-6 6-2 13-11 | menang |
| 2026-09-20 | Pardubice | R64 | Jan Frohlich | 6-3 6-1 | menang |