Kevin Anderson was the defending champion, but withdrew before the tournament began because of a right elbow injury.

Reilly Opelka won his first ATP Tour title, defeating Brayden Schnur in the final, 6–1, 6–7(7–9), 7–6(9–7). He saved six match points en route to the title, all in the second-set tiebreak of his semifinal match against John Isner.

Seeds

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

  1. United States John Isner (semifinals)
  2. United States Frances Tiafoe (second round)
  3. United States Steve Johnson (second round)
  4. Australia John Millman (second round)
  5. France Adrian Mannarino (first round)
  6. United States Sam Querrey (semifinals)
  7. Australia Jordan Thompson (quarterfinals)
  8. United States Tennys Sandgren (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
1United States John Isner71061464
United States Reilly Opelka6871677
United States Reilly Opelka66779
QCanada Brayden Schnur17967
QCanada Brayden Schnur7946
6United States Sam Querrey6763

Top half

First roundSecond roundQuarterfinalsSemifinals
1United States J Isner796
Slovakia L Lacko42Australia B Tomic674
Australia B Tomic661United States J Isner66
QSpain A Menéndez Maceiras4647Australia J Thompson41
QUnited States C Eubanks677QUnited States C Eubanks614
WCUnited States N Rubin79517Australia J Thompson466
7Australia J Thompson67761United States J Isner71061464
United States R Opelka6871677
4Australia J Millman6464
Spain G García López786Spain G García López7716
LLAustralia A Popyrin663Spain G García López34
Uzbekistan D Istomin466United States R Opelka66
United States M McDonald623Uzbekistan D Istomin710660r
United States R Opelka2776United States R Opelka68781
5France A Mannarino6654

Bottom half

First roundSecond roundQuarterfinalsSemifinals
8United States T Sandgren64774
Italy P Lorenzi77646Italy P Lorenzi466
Canada P Polansky34United States R Harrison644
United States R Harrison66Italy P Lorenzi79655
QCanada B Schnur66QCanada B Schnur67777
WCCanada JM Lin13QCanada B Schnur6477
3United States S Johnson4664
QCanada B Schnur7946
6United States S Querrey7766United States S Querrey6763
South Africa L Harris6226United States S Querrey66
Croatia I Karlović776465Moldova R Albot34
Moldova R Albot6477776United States S Querrey636
QIndia R Ramanathan361Chinese Taipei J Jung363
Chinese Taipei J Jung636Chinese Taipei J Jung67
2/WCUnited States F Tiafoe35

Qualifying

Seeds

  1. Spain Adrián Menéndez Maceiras (qualified)
  2. Australia Alexei Popyrin (qualifying competition, lucky loser)
  3. India Ramkumar Ramanathan (qualified)
  4. United States Christopher Eubanks (qualified)
  5. Canada Brayden Schnur (qualified)
  6. Japan Yasutaka Uchiyama (first round)
  7. Ecuador Roberto Quiroz (first round)
  8. Italy Andrea Arnaboldi (qualifying competition)

Qualifiers

  1. Spain Adrián Menéndez Maceiras
  2. Canada Brayden Schnur
  3. India Ramkumar Ramanathan
  4. United States Christopher Eubanks

Lucky loser

  1. Australia Alexei Popyrin

Qualifying draw

First qualifier

First roundQualifying competition
1Spain Adrián Menéndez Maceiras66
AltGermany Tim Pütz32
1Spain Adrián Menéndez Maceiras679
8Italy Andrea Arnaboldi367
Japan Yosuke Watanuki563
8Italy Andrea Arnaboldi746

Second qualifier

First roundQualifying competition
2Australia Alexei Popyrin76
United Kingdom James Ward54
2Australia Alexei Popyrin468
5Canada Brayden Schnur6710
WCUnited States Cannon Kingsley633
5Canada Brayden Schnur776

Third qualifier

First roundQualifying competition
3India Ramkumar Ramanathan466
AltUnited States Roy Smith624
3India Ramkumar Ramanathan637
United States Tim Smyczek365
United States Tim Smyczek6667
7Ecuador Roberto Quiroz7835

Fourth qualifier

First roundQualifying competition
4United States Christopher Eubanks66
WCUnited States Adam El Mihdawy32
4United States Christopher Eubanks567
United States Ernesto Escobedo735
United States Ernesto Escobedo4677
6Japan Yasutaka Uchiyama6365