2023 BOSS Open – Singles
2023 tennis event results
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Frances Tiafoe defeated Jan-Lennard Struff in the final, 4–6, 7–6(7–1), 7–6(10–8) to win the singles title at the 2023 Stuttgart Open. It was his third ATP Tour title, and his first on grass courts (following titles on hardcourts and clay courts). Tiafoe saved a championship point en route to the title, in the final-set tiebreak. By winning the title, Tiafoe debuted in the top ten of the ATP rankings for the first time in his career.
Champion
Frances Tiafoe
Frances TiafoeRunner-up
Jan-Lennard Struff
Jan-Lennard StruffScore4–6, 7–6(7–1), 7–6(10–8)
Draw28 (4 Q / 3 WC )
| Singles | |
|---|---|
| 2023 BOSS Open | |
| Champion | Frances Tiafoe |
| Runner-up | Jan-Lennard Struff |
| Score | 4–6, 7–6(7–1), 7–6(10–8) |
| Draw | 28 (4 Q / 3 WC ) |
| Seeds | 8 |
Matteo Berrettini was the defending champion,[1] but lost in the first round to Lorenzo Sonego.[2]
Seeds
The top four seeds received a bye into the second round.
Stefanos Tsitsipas (second round)- Taylor Fritz (quarterfinals)
- Frances Tiafoe (champion)
Hubert Hurkacz (semifinals)- Tommy Paul (second round)
Lorenzo Musetti (quarterfinals)- Matteo Berrettini (first round)
Nick Kyrgios (first round)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted
Finals
| Semifinals | Final | ||||||||||||
| Jan-Lennard Struff
| 3 | 6 | 6 | ||||||||||
| 4 |  Hubert Hurkacz
| 6 | 3 | 3 | |||||||||
| Jan-Lennard Struff
| 6 | 61 | 68 | ||||||||||
| 3 | Frances Tiafoe
| 4 | 77 | 710 | |||||||||
| 3 | Frances Tiafoe
| 6 | 713 | ||||||||||
| Q |  Márton Fucsovics
| 3 | 611 | ||||||||||
Top half
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1/WC |  S Tsitsipas
| 68 | 6 | 5 | |||||||||||||||||||||||
 R Gasquet
| 77 | 6 | R Gasquet
| 710 | 2 | 7 | |||||||||||||||||||||
| Q | C Eubanks
| 62 | 4 | R Gasquet
| 4 | 5 | |||||||||||||||||||||
 Z Zhang
| 1 | 4 | J-L Struff
| 6 | 7 | ||||||||||||||||||||||
| J-L Struff
| 6 | 6 | J-L Struff
| 77 | 77 | ||||||||||||||||||||||
| B Bonzi
| 3 | 4 | 5 | T Paul
| 64 | 65 | |||||||||||||||||||||
| 5 | T Paul
| 6 | 6 | J-L Struff
| 3 | 6 | 6 | ||||||||||||||||||||
| 4 | H Hurkacz
| 6 | 3 | 3 | |||||||||||||||||||||||
| 4 | H Hurkacz
| 4 | 77 | 77 | |||||||||||||||||||||||
| WC |  F López
| 65 | 3 | Q |  Y Watanuki
| 6 | 65 | 65 | |||||||||||||||||||
| Q | Y Watanuki
| 77 | 6 | 4 | H Hurkacz
| 6 | 6 | ||||||||||||||||||||
 C O'Connell
| 6 | 6 | C O'Connell
| 4 | 4 | ||||||||||||||||||||||
| D Altmaier
| 3 | 1 | C O'Connell
| 77 | 6 | ||||||||||||||||||||||
 L Sonego
| 6 | 6 | L Sonego
| 65 | 3 | ||||||||||||||||||||||
| 7 | M Berrettini
| 1 | 2 | ||||||||||||||||||||||||
Bottom half
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | L Musetti
| 77 | 6 | ||||||||||||||||||||||||
| Q |  B Gojo
| 64 | 3 | 6 | L Musetti
| 6 | 6 | ||||||||||||||||||||
| G Barrère
| 6 | 6 | G Barrère
| 3 | 3 | ||||||||||||||||||||||
| WC | O Otte
| 4 | 3 | 6 | L Musetti
| 78 | 64 | 2 | |||||||||||||||||||
| M Giron
| 6 | 3 | 4 | 3 | F Tiafoe
| 66 | 77 | 6 | |||||||||||||||||||
 J Lehečka
| 4 | 6 | 6 | J Lehečka
| 62 | 4 | |||||||||||||||||||||
| 3 | F Tiafoe
| 77 | 6 | ||||||||||||||||||||||||
| 3 | F Tiafoe
| 6 | 713 | ||||||||||||||||||||||||
| 8 | N Kyrgios
| 5 | 3 | Q | M Fucsovics
| 3 | 611 | ||||||||||||||||||||
| Y Wu
| 7 | 6 | Y Wu
| 4 | 6 | 4 | |||||||||||||||||||||
 D Shapovalov
| 6 | 3 | 4 | Q | M Fucsovics
| 6 | 4 | 6 | |||||||||||||||||||
| Q | M Fucsovics
| 3 | 6 | 6 | Q | M Fucsovics
| 6 | 7 | |||||||||||||||||||
| C Moutet
| 60 | 710 | 5 | 2 | T Fritz
| 4 | 5 | ||||||||||||||||||||
 A Karatsev
| 77 | 68 | 7 | A Karatsev
| 64 | 3 | |||||||||||||||||||||
| 2 | T Fritz
| 77 | 6 | ||||||||||||||||||||||||
Qualifying
Seeds
- Christopher Eubanks (qualified)
Márton Fucsovics (qualified)
Roman Safiullin (first round)
Borna Gojo (qualified)
Radu Albot (qualifying competition)
Yosuke Watanuki (qualified)
Antoine Bellier (qualifying competition)
Altuğ Çelikbilek (qualifying competition)
Qualifiers
Qualifying draw
First qualifier
| First round | Qualifying competition | ||||||||||||
| 1 | Christopher Eubanks
| 4 | 6 | 6 | |||||||||
| Alt |  Benjamin Lock
| 6 | 4 | 2 | |||||||||
| 1 | Christopher Eubanks
| 77 | 77 | ||||||||||
| 5 |  Radu Albot
| 65 | 63 | ||||||||||
| Alt | Hugo Gaston
| 2 | 0 | ||||||||||
| 5 | Radu Albot
| 6 | 6 | ||||||||||
Second qualifier
| First round | Qualifying competition | ||||||||||||
| 2 | Márton Fucsovics
| 6 | 6 | ||||||||||
| Louis Wessels
| 3 | 1 | |||||||||||
| 2 | Márton Fucsovics
| 6 | 6 | ||||||||||
| 8 |  Altuğ Çelikbilek
| 4 | 4 | ||||||||||
| Alt | Max Hans Rehberg
| 1 | 4 | ||||||||||
| 8 | Altuğ Çelikbilek
| 6 | 6 | ||||||||||
Third qualifier
| First round | Qualifying competition | ||||||||||||
| 3 | Roman Safiullin
| 65 | 4 | ||||||||||
 Benjamin Hassan
| 77 | 6 | |||||||||||
| Benjamin Hassan
| 5 | 4 | |||||||||||
| 6 | Yosuke Watanuki
| 7 | 6 | ||||||||||
| Henri Squire
| 6 | 5 | 3 | ||||||||||
| 6 | Yosuke Watanuki
| 4 | 7 | 6 | |||||||||
Fourth qualifier
| First round | Qualifying competition | ||||||||||||
| 4 | Borna Gojo
| 64 | 6 | 6 | |||||||||
| Alt | Mats Rosenkranz
| 77 | 4 | 4 | |||||||||
| 4 | Borna Gojo
| 5 | 77 | 6 | |||||||||
| 7 |  Antoine Bellier
| 7 | 62 | 4 | |||||||||
 Vladyslav Orlov
| 3 | 4 | |||||||||||
| 7 | Antoine Bellier
| 6 | 6 | ||||||||||