Many seeded players suffered some early stutters but eventually progressed through on Day 2 of Wimbledon. Here's a look at the highlights
Rafael Nadal fought back from 0-4 down in the first set to win 7-6 (7/0), 6-2, 6-3 against Brazil's Thomaz Bellucci.
India's Sania Mirza made a winning start in the women's doubles as she and her American partner Bethanie Mattek-Sands defeated Russia's Alla Kudryavtseva and American Sloane Stephens 6-4, 6-2.
There was more good news for Sania as she got official confirmation that she had received a wild card to play in the women's doubles at the Olympics.
Serena Williams, the 2002, 2003, 2009 and 2010 champion, reached the second round with a 6-2, 6-4 win over Barbora Zahlavova Strycova of the Czech Republic.
Defending champion Petra Kvitova reached the second round with a 6-4, 6-4 win over Akgul Amanmuradova of Uzbekistan, but only after surviving an early struggle.
Mardy Fish made a winning return to tennis. In his first match following a procedure to address a frightening heart scare, the world number 12 beat Spain's Ruben Ramirez-Hidalgo 7-6 (7/3), 7-5 7-6 (7/1) and looked comfortable moving around the court.
Bernard Tomic crashed out of Wimbledon in the first round on Tuesday as the Australian teenager's slump continued.
Japan's Kei Nishikori earned his first ever win at Wimbledon as the 19th seed marked his return from injury with a 7-5, 6-3, 6-4 victory over Mikhail Kukushkin of Kazakhstan.
Lleyton Hewitt's 10th anniversary party of his 2002 Wimbledon title was gatecrashed by French fifth seed Jo-Wilfried Tsonga who cruised to a 6-3, 6-4, 6-4 win.