# Boss Open 2021

Source: https://tennis-db.com/tournaments/250/boss-open?season=2021
Tour: ATP

## Tournament info
- Category: ATP 250
- Surface: Grass
- Location: Stuttgart, Germany
- Start date: 2021-06-08
- End date: 2021-06-13
- Draw size: 28

## Champion
- Winner: Marin Cilic
- Runner-up: Felix Auger-Aliassime
- Final score: 7-6(2) 6-3

## Knockout results
### F
- Marin Cilic d. Felix Auger-Aliassime 7-6(2) 6-3

### SF
- Marin Cilic d. Jurij Rodionov 6-3 1-0 RET
- Felix Auger-Aliassime d. Sam Querrey 6-4 7-5

### QF
- Felix Auger-Aliassime d. Ugo Humbert 7-6(5) 7-6(8)
- Marin Cilic d. Denis Shapovalov 7-5 7-6(3)
- Sam Querrey d. Dominic Stricker 6-7(4) 7-6(4) 6-3
- Jurij Rodionov d. Alex de Minaur 3-6 6-3 7-6(4)

### R16
- Denis Shapovalov d. Feliciano Lopez 6-2 6-7(2) 6-3
- Dominic Stricker d. Hubert Hurkacz 7-6(5) 7-6(5)
- Jurij Rodionov d. Peter Gojowczyk 5-3 RET
- Sam Querrey d. James Duckworth 6-4 7-6(7)
- Marin Cilic d. Nikoloz Basilashvili 6-3 6-2
- Alex de Minaur d. Jordan Thompson 6-7(8) 6-3 6-4
- Ugo Humbert d. Yannick Hanfmann 7-6(9) 6-2
- Felix Auger-Aliassime d. Lloyd Harris 6-3 7-6(4)

### R32
- Jordan Thompson d. Guido Pella 6-3 6-4
- Jurij Rodionov d. Dominik Koepfer 2-6 6-3 6-2
- Lloyd Harris d. Gilles Simon 6-4 7-5
- Yannick Hanfmann d. Jeremy Chardy 6-4 6-4
- Dominic Stricker d. Radu Albot 7-6(4) 7-6(5)
- Ugo Humbert d. Marton Fucsovics 6-3 6-1
- Sam Querrey d. Altug Celikbilek 6-4 6-1
- James Duckworth d. Adrian Mannarino 6-3 6-2
- Marin Cilic d. Rudolf Molleker 7-5 6-3
- Nikoloz Basilashvili d. Dustin Brown 6-3 7-6(4)
- Peter Gojowczyk d. Ilya Ivashka 5-7 6-4 6-2
- Feliciano Lopez d. Alexei Popyrin 6-4 6-4

## Stats
- Total matches: 39
- Players: 39

## Related news
- [Majchrzak beats three top-10 players in a row to win a maiden title in ‘s-Hertogenbosch](https://tennis-db.com/news/14f1513ad79ba3d181fb7022b47b543bb0264e11/majchrzak-beats-three-top-10-players-in-a-row-to-win-a-maiden-title-in-s-hertogenbosch) (Tennis Majors · 2026-06-13)

Other editions available: 2026, 2025, 2024, 2023, 2022, 2021, 2019, 2018, 2017, 2016
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Canonical URL: https://tennis-db.com/tournaments/250/boss-open?season=2021
Data source: TennisDB (tennis-db.com)