London - Japan's Kei Nishikori eased into the second round of Wimbledon on Tuesday beating Brazilian qualifier Thiago Monteiro 6-4, 7-6 (7/3), 6-4.
The 29-year-old eighth seed, a quarter-finalist at Wimbledon last year, never gave Monteiro a hope of an upset.
Nishikori - whose best Grand Slam performance was reaching the 2014 US Open final - will play either experienced Uzbek Denis Istomin or Britain's Cameron Norrie in the second round.
Wimbledon results on Tuesday (x denotes seeding):
Men
1st round
Daniel Evans (GBR) bt Federico Del Bonis (ARG) 6-3, 7-6 (7/5), 6-3
Kei Nishikori (JPN x8) bt Thiago Monteiro (BRA) 6-4, 7-6 (7/3), 6-4
Steve Johnson (USA) bt Albert Ramos (ESP) 6-4, 6-2, 6-3
Alex De Minaur (AUS x25) bt Marco Cecchinato (ITA) 6-0, 6-4, 7-6 (7/5)
Marcos Baghdatis (CYP) bt Brayden Schnur (CAN) 6-2, 6-4, 6-4
Women
1st round
Alison Van Uytvanck (BEL) bt Svetlana Kuznetsova (RUS) 6-4, 4-6, 6-2
Harriet Dart (GBR) bt Christina McHale (USA) 4-6, 6-4, 6-4
Kaia Kanepi (EST) bt Stefanie Voegele (SUI) 5-7, 7-5, 6-4
Lauren Davis (USA) bt Kateryna Kozlova (UKR) 6-3, 6-2
Barbora Zahlavova (CZE) bt Lesya Tsurenko (UKR x32) 6-3, 6-2
Elise Mertens (BEL x21) bt Fiona Ferro (FRA) 6-2, 6-0
Monica Niculescu (ROU) bt Andrea Petkovic (GER) 2-6, 6-2, 7-5
Wang Qiang (CHN x15) bt Vera Lapko (BLR) 6-2, 6-2
Sloane Stephens (USA x9) bt Timea Bacsinszky (SUI) 6-2, 6-4
Katerina Siniaková (CZE) bt Ekaterina Alexandrova (RUS) 2-6, 6-1, 6-1