有八位男將參加單打會內賽，包含了會外晉級的張之臻。無人列名種子。
其中日本有三位、哈薩克兩位、台灣、韓國、中國各一位。
6/28有人退賽，內山靖崇以LL補進會內賽，成為第九位參加會內賽的亞洲球員。
1-DJOKOVIC, Novak SRB vs WC-DRAPER, Jack GBR
Q-BARRIOS VERA, Marcelo Tomas CHI vs ANDERSON, Kevin RSA
SEPPI, Andreas ITA vs SOUSA, Joao POR
Q-KUDLA, Denis USA vs 30-DAVIDOVICH FOKINA, Alejandro ESP
17-GARIN, Cristian CHI vs Q-ZAPATA MIRALLES, Bernabe ESP
Q-POLMANS, Marc AUS vs 盧彥勳 LU, Yen-Hsun TPE
MARTINEZ, Pedro ESP vs TRAVAGLIA, Stefano ITA
Q-O'CONNELL, Christopher AUS vs 13-MONFILS, Gael FRA
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9-SCHWARTZMAN, Diego ARG vs PAIRE, Benoit FRA
CECCHINATO, Marco ITA vs WC-BROADY, Liam GBR
VESELY, Jiri CZE vs HANFMANN, Yannick GER
FUCSOVICS, Marton HUN vs 19-SINNER, Jannik ITA
26-FOGNINI, Fabio ITA vs RAMOS-VINOLAS, Albert ESP
CUEVAS, Pablo URU vs DJERE, Laslo SRB
HARRIS, Lloyd RSA vs BERANKIS, Ricardas LTU
DELBONIS, Federico ARG vs 5-RUBLEV, Andrey RUS
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3-TSITSIPAS, Stefanos GRE vs TIAFOE, Frances USA
CARBALLES BAENA, Roberto ESP vs POSPISIL, Vasek CAN
GERASIMOV, Egor BLR vs WC-CLARKE, Jay GBR
Q-MCDONALD, Mackenzie USA vs 25-KHACHANOV, Karen RUS
22-EVANS, Daniel GBR vs LOPEZ, Feliciano ESP
LAJOVIC, Dusan SRB vs SIMON, Gilles FRA
Q-張之臻 ZHANG, Zhizhen CHN vs Q-HOANG, Antoine FRA
KORDA, Sebastian USA vs 15-DE MINAUR, Alex AUS
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10-SHAPOVALOV, Denis CAN vs KOHLSCHREIBER, Philipp GER
HERBERT, Pierre-Hugues FRA vs ANDUJAR, Pablo ESP
Q-OTTE, Oscar GER vs Q-RINDERKNECH, Arthur FRA
WC-MURRAY, Andy GBR vs 24-BASILASHVILI, Nikoloz GEO
27-OPELKA, Reilly USA vs KOEPFER, Dominik GER
權純雨 KWON, Soonwoo KOR vs Q-MASUR, Daniel GER
BAGNIS, Facundo ARG vs KECMANOVIC, Miomir SRB
MILLMAN, John AUS vs 8-BAUTISTA AGUT, Roberto ESP
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7-BERRETTINI, Matteo ITA vs PELLA, Guido ARG
LL-VAN DE ZANDSCHULP, Botic NED vs Q-BARRERE, Gregoire FRA
MOUTET, Corentin FRA vs BEDENE, Aljaz SLO
西岡良仁 NISHIOKA, Yoshihito JPN vs 28-ISNER, John USA
20-KARATSEV, Aslan RUS vs CHARDY, Jeremy FRA
MUNAR, Jaume ESP vs IVASHKA, Ilya BLR
錦織圭 NISHIKORI, Kei JPN vs POPYRIN, Alexei AUS
THOMPSON, Jordan AUS vs 12-RUUD, Casper NOR
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16-AUGER-ALIASSIME, Felix CAN vs MONTEIRO, Thiago BRA
TSONGA, Jo-Wilfried FRA vs YMER, Mikael SWE
LONDERO, Juan Ignacio ARG vs MAGER, Gianluca ITA
KYRGIOS, Nick AUS vs 21-HUMBERT, Ugo FRA
31-FRITZ, Taylor USA vs Q-NAKASHIMA, Brandon USA
JOHNSON, Steve USA vs NOVAK, Dennis AUT
SANDGREN, Tennys USA vs GOMBOS, Norbert SVK
Q-GRIEKSPOOR, Tallon NED vs 4-ZVEREV, Alexander GER
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6-FEDERER, Roger SUI vs MANNARINO, Adrian FRA
GASQUET, Richard FRA vs 杉田祐一 SUGITA, Yuichi JPN
KRAJINOVIC, Filip SRB vs WC-BOLT, Alex AUS
POUILLE, Lucas FRA vs 29-NORRIE, Cameron GBR
23-SONEGO, Lorenzo ITA vs SOUSA, Pedro POR
GALAN, Daniel Elahi COL vs CORIA, Federico ARG
DUCKWORTH, James AUS vs ALBOT, Radu MDA
QUERREY, Sam USA vs 11-CARRENO BUSTA, Pablo ESP
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14-HURKACZ, Hubert POL vs MUSETTI, Lorenzo ITA
RUUSUVUORI, Emil FIN vs GIRON, Marcos USA
KUKUSHKIN, Mikhail KAZ vs BUBLIK, Alexander KAZ
VERDASCO, Fernando ESP vs 18-DIMITROV, Grigor BUL
32-CILIC, Marin CRO vs CARUSO, Salvatore ITA
Q-TRUNGELLITI, Marco ARG vs Q-BONZI, Benjamin FRA
LL-內山靖崇 UCHIYAMA, Yasutaka JPN vs WC-ALCARAZ, Carlos ESP
STRUFF, Jan-Lennard GER vs 2-MEDVEDEV, Daniil RUS