London - German sixth seed Alexander Zverev crashed out of Wimbledon in the first round on Monday, losing 4-6, 6-3, 6-2, 7-5 to Czech qualifier Jiri Vesely.
Zverev, long tipped as a future Grand Slam champion, again flattered to deceive as he was outplayed by the world number 108.
Vesely goes on to play either Pablo Cuevas of Uruguay or Bosnia's Damir Dzumhur for a place in the last 32.
Wimbledon results on Monday (x denotes seeding):
Men
1st round
Novak Djokovic (SRB x1) bt Philipp Kohlschreiber (GER) 6-3, 7-5, 6-3
Denis Kudla (USA) bt Malek Jaziri (TUN) 6-4, 6-1, 6-3
Leonardo Mayer (ARG) bt Ernests Gulbis (LAT) 6-1, 7-6 (14/12), 6-2
Hubert Hurkacz (POL) bt Dusan Lajovic (SRB x32) 6-3, 4-6, 6-4, 6-4
Félix Auger-Aliassime (CAN x19) bt Vasek Pospisil (CAN) 5-7, 6-2, 6-4, 6-3
Daniil Medvedev (RUS x11) bt Paolo Lorenzi (ITA) 6-3, 7-6 (7/2), 7-6 (7/2)
Alexei Popyrin (AUS) bt Pablo Carreño-Busta (ESP) 7-6 (7/2), 7-5, 6-2
Jérémy Chardy (FRA) bt Martin Kližan (SVK) 3-6, 6-0, 6-3, 6-4
Fernando Verdasco (ESP) bt Kamil Majchrzak (POL) 6-4, 6-4, 6-4
Ivo Karlovic (CRO) bt Andrea Arnaboldi (ITA) 6-4, 6-4, 7-6 (7/4)
Thomas Fabbiano (ITA) bt Stefanos Tsitsipas (GRE x7) 6-4, 3-6, 6-4, 6-7 (8/10), 6-3
Kevin Anderson (RSA x4) bt Pierre-Hugues Herbert (FRA) 6-3, 6-4, 6-2
Janko Tipsarevic (SRB) bt Yoshihito Nishioka (JPN) 6-4, 6-7 (2/7), 6-2, 5-7, 6-2
Andreas Seppi (ITA) bt Nicolás Jarry (CHI) 6-3, 6-7 (8/10), 6-1, 6-2
Guido Pella (ARG x26) bt Marius Copil (ROU) 7-6 (13/11), 5-7, 6-3, 6-4
Stan Wawrinka (SUI x22) bt Ruben Bemelmans (BEL) 6-3, 6-2, 6-2
Reilly Opelka (USA) bt Cedrik-Marcel Stebe (GER) 6-3, 7-6 (7/4), 6-1
Robin Haase (NED) bt Jozef Kovalík (SVK) 6-1, 6-3, 6-1
Milos Raonic (CAN x15) bt Prajnesh Gunneswaran (IND) 7-6 (7/1), 6-4, 6-2
Karen Khachanov (RUS x10) bt Soonwoo Kwon (KOR) 7-6 (8/6), 6-4, 4-6, 7-5
Feliciano Lopez (ESP) bt Marcos Giron (USA) 6-4, 6-2, 6-4
Steve Darcis (BEL) bt Mischa Zverev (GER) 6-2, 6-4, 6-4
Roberto Bautista Agut (ESP x23) bt Peter Gojowczyk (GER) 6-3, 6-2, 6-3
Benoît Paire (FRA x28) bt Juan Ignacio Londero (ARG) 4-6, 6-4, 6-4, 7-6 (7/4)
Pablo Cuevas (URU) bt Damir Džumhur (BIH) 4-6, 7-6 (10/8), 2-6, 6-4, 6-2
Jirí Veselý (CZE) bt Alexander Zverev (GER x6) 4-6, 6-3, 6-2, 7-5
Women
1st round
Elina Svitolina (UKR x8) bt Daria Gavrilova (AUS) 7-5, 6-0
Margarita Gasparyan (RUS) bt Anna-Lena Friedsam (GER) 6-4, 6-4
Marie Bouzkova (CZE) bt Mona Barthel (GER) 6-3, 6-3
Maria Sakkari (GRE x31) bt Bernarda Pera (USA) 7-6 (7/4), 6-3
Petra Martic (CRO x24) bt Jennifer Brady (USA) 3-6, 6-3, 6-4
Anastasia Potapova (RUS) bt Jil Teichmann (SUI) 2-6, 6-4, 6-1
Danielle Collins (USA) bt Zarina Diyas (KAZ) 6-3, 7-5
Anastasija Sevastova (LAT x12) bt Kristie Ahn (USA) 6-3, 6-4
Madison Brengle (USA) bt Markéta Vondroušová (CZE x16) 6-4, 6-4
Karolína Muchová (CZE) bt Aleksandra Krunic (SRB) 7-5, 6-2
Heather Watson (GBR) bt Caty McNally (USA) 7-6 (7/3), 6-2
Anett Kontaveit (EST x20) bt Shelby Rogers (USA) 6-0, 3-6, 6-4
Kirsten Flipkens (BEL) bt Dalila Jakupovic (SLO) 6-1, 6-3
Monica Puig (PUR) bt Anna Karolína Schmiedlová (SVK) 5-7, 6-4, 7-5
Karolina Pliskova (CZE x3) bt Zhu Lin (CHN) 6-2, 7-6 (7/4)
Simona Halep (ROM x7) bt Aliaksandra Sasnovich (BLR) 6-4, 7-5
Mihaela Buzarnescu (ROU) bt Jessica Pegula (USA) 6-4, 6-4
Ajla Tomljanovic (AUS) bt Darya Kasatkina (RUS x29) 6-3, 6-1
Madison Keys (USA x17) bt Luksika Kumkhum (THA) 6-3, 6-2
Polona Hercog (SLO) bt Viktoria Kuzmova (SVK) 4-6, 7-6 (7/5), 7-5
Magdalena Rybarikova (SVK) bt Aryna Sabalenka (BLR x10) 6-2, 6-4
Veronika Kudermetova (RUS) bt Ysaline Bonaventure (BEL) 6-2, 6-4
Yanina Wickmayer (BEL) bt Rebecca Peterson (SWE) 6-4, 6-3
Sofia Kenin (USA x27) bt Astra Sharma (AUS) 6-4, 6-2
Dayana Yastremska (UKR) bt Camila Giorgi (ITA) 6-3, 6-3
Viktorija Golubic (SUI) bt Iga Swiatek (POL) 6-2, 7-6 (7/3)
Yulia Putintseva (KAZ) bt Naomi Osaka (JPN x2) 7-6 (7/4), 6-2