2018 MercedesCup
The 2018 MercedesCup was a men's tennis tournament played on outdoor grass courts. It was the 41st edition of the Stuttgart Open, and part of the ATP World Tour 250 series of the 2018 ATP World Tour. It was held at the Tennis Club Weissenhof in Stuttgart, Germany, from 11 June until 17 June 2018. First-seeded Roger Federer regained the ATP no. 1 singles ranking by reaching the final.
Finals
Singles
Roger Federer defeated Milos Raonic, 6–4, 7–6Doubles
Philipp Petzschner / Tim Pütz defeated Robert Lindstedt / Marcin Matkowski, 7–6, 6–3Singles main draw entrants
Seeds
1 Rankings are as of May 28, 2018Other entrants
The following players received wildcards into the singles main draw:The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Withdrawals
;Before the tournament- Marco Cecchinato → replaced by Denis Istomin
- Peter Gojowczyk → replaced by Viktor Galović
- Chung Hyeon → replaced by Maximilian Marterer
- David Ferrer → replaced by Mirza Bašić
- Gaël Monfils → replaced by Florian Mayer
Retirements
Doubles main draw entrants
Seeds
- Rankings are as of May 28, 2018