Defending champion Novak Djokovic was far from his best on day one at Wimbledon but the Serbian was victorious nonetheless to book his spot in the second round.
It was the world’s number one first match since his French Open final defeat, and despite not hitting top form Djokovic sealed victory in straight sets 6-4 6-4 6-4 over Germany’s Philipp Kohlschreiber.
French Open champion Stan Wawrinka was also made to work for his spot in the second round but Portugal’s Joao Sousa proved no match for the fourth seed, who secured a 6-2 7-5 7-6 (7/3) straight sets win.
Nick Kyrgios made an impressive Wimbledon debut last summer as he reached the quarter-finals and the Australian got over the first hurdle in straight sets with a 6-0 6-2 7-6(6) victory over Argentine Diego Schwartzman.
Bulgarian Grigor Dmitrov – who reached the semi-finals at SW19 last year – also secured a straight sets win in his first round match, as the 11th seed comfortably saw off Federico Delbonis of Argentina 6-3 6-0 6-4.
Fifth seed Kei Nishikori was given a stern test by Italian Simone Bolelli as the Japanese man needed five sets to book his place in the next round with a 6-3 6-7 (7-4) 6-3 6-3 6-3 win.
2002 winner Lleyton Hewitt’s final Wimbledon ended at the first hurdle as Jarkko Nieminen of Finland edged a five-set thriller with a 3-6 6-3 4-6 6-0 11-9 victory, to set up a second round match with world number one Djokovic.
The result of the day came on Court 18 as Britain’s own Liam Broady produced a stunning comeback from two sets down to clinch his spot in the next round after a 5-7 4-6 6-3 6-2 6-3 win over Australia’s Marinko Matosevic.
Canadian Milos Raonic overcame his Spanish opponent Daniel Gimeno-Traver in four sets 6-2 6-3 3-5 7-6 (7/4) to book his place in the second round, while ninth seed Marin Cilic is also through win a 6-3 6-3 7-6 (7/4) staright sets win over Japan’s Hiroki Moriya.
In the women’s action, Serena Williams preserved her perfect first-round record at Wimbledon as the American saw off the challenge of 20-year-old Russian Margarita Gasparyan to advance to the second round with a 6-4 6-1 win.
There were no problems Serena’s sister Venus who did not drop a single game as she stormed to a 6-0 6-0 win over compatriot Madison Brengle, while it was also an easy opener for fourth seed Maria Sharapova, who saw off Britain’s Johanna Konta 6-2 6-2.
Beaten French Open finalist Luice Safarova suffered no opening day shock as the Czech girl overcame the challenge of American Alison Riske 3-6 7-5 6-3.
French Open semi-finalist Ana Ivanovic eased into the next round after a 6-1 6-1 win over China’s Yi-Fan Zu, while Viktoria Azarenka also enjoyed a comfortable 6-2 6-1 straight sets victory over Estonian Anett Kontaveit.
Sam Stousr saw off Montenegro’s Danka Kovinic 6-4 6-4 as she too enjoyed a comfortable first round win, but ninth seed Carla Suarez Navarro’s tournament is over as the Spaniard fell to a 6-2 6-0 defeat by Latvia’s Jeleno Ostapenko.
You can check out more results from day one at Wimbledon at this link.