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
Félix Auger-Aliassime (CAN x19) bt Vasek Pospisil (CAN) 5-7, 6-2, 6-4, 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
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
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
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
Anastasija Sevastova (LAT x12) bt Kristie Ahn (USA) 6-3, 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
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
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
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)
