Germany's Zverev trailed Fritz by two sets to one on Thursday before bad light stopped play late in the evening, but he produced a determined performance in the restart to earn a 6-4, 5-7, 6-7 (0-7), 6-1, 6-2 success. In addition, Ernests has reached the fourth round at Wimbledon for the first time in his 11th appearance, becoming one of the players who needed to play more than 10 Wimbledons to book the place in the last 16 after Tommy Robredo, Jeremy Bates, Michael Llodra, Nicolas Mahut, Richey Reneberg and Marc Rosset. He said: "I'm proud of qualifying here, of winning three five set matches, and this match in particular because I was two sets down". But I felt very low on energy. Things happen. I thought after I won the third set, I'm going to get out with a win, I thought that honestly.
Hsieh of Taiwan protested to the Chinese umpire in a language that Cibulkova couldn't understand, before the match referee became involved as calls of "replay the point" came from a bemused crowd on Court 18.
"And I think that kept being in the back of my mind".
Juan Martín del Potro outpowered Benoît Paire 6-4, 7-6 (4), 6-3.
After splitting the first two sets Gulbis served for the third at 5-3. "I was feeling physically really good".
El Salvador's Marcelo Arevalo and Chilean Hans Podlipnik-Castillo beat British pair Jay Clarke and Cameron Norrie 6-4 6-7 (5) 5-7 6-4 22-20 after five hours of play stretched over two days in a marathon opening-round men's doubles clash.
The 27-year-old will face unseeded American Mackenzie McDonald in the fourth round on Monday. "Thought I'd go out there and try".
The best Grand Slam showing for Gulbis was a run to the semifinals at the 2014 French Open, which included a win against Roger Federer.
U.S. Open finalist Kevin Anderson struck an impressive 42 winners on his way to the fourth round, beating Germany's Philipp Kohlschreiber 6-3 7-5 7-5.
Estonia's top tennis player Anett Kontaveit (WTA 27) won against US tennis player Jennifer Brady (WTA 74) on Thursday, advancing to the third round of the Wimbledon tennis tournament.