Alexander Zverev defeated Nicolás Jarry in the final, 6–3, 3–6, 7–6(10–8) to win the singles tennis title at the 2019 Geneva Open. Zverev saved two championship points en route to the title, in the final-set tiebreak.

Márton Fucsovics was the defending champion, but lost in the second round to Federico Delbonis.

Seeds

The top four seeds receive a bye into the second round.

  1. Germany Alexander Zverev (champion)
  2. Switzerland Stan Wawrinka (second round)
  3. Chile Cristian Garín (second round)
  4. Hungary Márton Fucsovics (second round)
  5. Moldova Radu Albot (semifinals)
  6. France Adrian Mannarino (first round)
  7. Australia Matthew Ebden (first round)
  8. Italy Andreas Seppi (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

SemifinalsFinal
1Germany Alexander Zverev7666
Argentina Federico Delbonis5783
1Germany Alexander Zverev63710
Chile Nicolás Jarry3668
Chile Nicolás Jarry66
5Moldova Radu Albot34

Top half

First roundSecond roundQuarterfinalsSemifinals
1Germany A Zverev66
Latvia E Gulbis679Latvia E Gulbis21
Japan Y Nishioka2671Germany A Zverev736
Germany P Gojowczyk55Bolivia H Dellien563
WCSerbia J Tipsarević77WCSerbia J Tipsarević633
Bolivia H Dellien636Bolivia H Dellien776
8Italy A Seppi1641Germany A Zverev7666
Argentina F Delbonis5783
4Hungary M Fucsovics42
QBulgaria G Dimitrov642Argentina F Delbonis66
Argentina F Delbonis166Argentina F Delbonis777
Portugal J Sousa6666Spain A Ramos Viñolas655
Argentina L Mayer2784Portugal J Sousa03
Spain A Ramos Viñolas6266Spain A Ramos Viñolas66
6France A Mannarino7732

Bottom half

First roundSecond roundQuarterfinalsSemifinals
7Australia M Ebden264
Chile N Jarry677Chile N Jarry66
United States D Kudla566United States D Kudla33
Australia J Thompson724Chile N Jarry67
QSpain B Zapata Miralles463Japan T Daniel15
Japan T Daniel646Japan T Daniel646
3Chile C Garín264
Chile N Jarry66
5Moldova R Albot78775Moldova R Albot34
QItaly L Sonego66635Moldova R Albot6636
Germany M Zverev44Argentina JI Londero1774
Argentina JI Londero665Moldova R Albot67
WCSpain F López7745QBosnia and Herzegovina D Džumhur35
QBosnia and Herzegovina D Džumhur6267QBosnia and Herzegovina D Džumhur366
2/WCSwitzerland S Wawrinka634

Qualifying

Seeds

  1. Bulgaria Grigor Dimitrov (qualified)
  2. Bosnia and Herzegovina Damir Džumhur (qualified)
  3. Italy Lorenzo Sonego (qualified)
  4. Lithuania Ričardas Berankis (first round)
  5. Serbia Miomir Kecmanović (qualifying competition)
  6. United States Bradley Klahn (first round)
  7. Italy Thomas Fabbiano (qualifying competition)
  8. United States Tommy Paul (qualifying competition)

Qualifiers

  1. Bulgaria Grigor Dimitrov
  2. Bosnia and Herzegovina Damir Džumhur
  3. Italy Lorenzo Sonego
  4. Spain Bernabé Zapata Miralles

Qualifying draw

First qualifier

First roundQualifying competition
1/WCBulgaria Grigor Dimitrov66
Switzerland Marc-Andrea Hüsler43
1/WCBulgaria Grigor Dimitrov76
7Italy Thomas Fabbiano53
WCSerbia Marko Miladinović24
7Italy Thomas Fabbiano66

Second qualifier

First roundQualifying competition
2Bosnia and Herzegovina Damir Džumhur66
United States JC Aragone34
2Bosnia and Herzegovina Damir Džumhur646
8United States Tommy Paul263
France Stéphane Robert45
8United States Tommy Paul67

Third qualifier

First roundQualifying competition
3Italy Lorenzo Sonego466
Germany Daniel Masur623
3Italy Lorenzo Sonego677
5Serbia Miomir Kecmanović465
AltUnited States Ulises Blanch614
5Serbia Miomir Kecmanović466

Fourth qualifier

First roundQualifying competition
4Lithuania Ričardas Berankis44
Japan Kaichi Uchida66
Japan Kaichi Uchida11
Spain Bernabé Zapata Miralles66
Spain Bernabé Zapata Miralles566
6United States Bradley Klahn742