Djokovic through, Del Potro ousted
Novak Djokovic shrugged off sweltering 30-degree heat to breeze past Adam Pavlasek 6-2, 6-2, 6-1 and reach the Wimbledon third round on Thursday.
The three-time champion brushed aside the 136rd-ranked Czech on Court One to make the last-32 for the ninth year in succession.
Djokovic, the second seed whose shock third round loss to Sam Querrey at Wimbledon 12 months ago precipitated a worrying decline in form, will next face Ernests Gulbis who knocked off Del Potro.
"It was a very warm day, it wasn't easy to play point after point and some long rallies," said Djokovic as his comfortable Wimbledon continued following a first round in which opponent Martin Klizan had retired hurt after just 40 minutes.
"But overall, from the very beginning I managed to impose my own rhythm and play the game I intended to play.
"I feel better as the days go by in Wimbledon. I've been in this particular situation before many times and I'll try to use the experience to get myself in the right shape."
Meanwhile, Gulbis sprang a Wimbledon surprise as the world number 589 defeated former US Open champion Juan Martin Del Potro 6-4, 6-4, 7-6 (7/3) on Thursday.
Gulbis will face three-time champion Novak Djokovic in the third round after scoring his best result in three years.
Bernard Tomic may have been knocked out but the Australian was still making waves on Thursday when he was fined 15,000 after claiming he was "bored" during his lacklustre defeat to Mischa Zverev.
Tomic, who was accused of "unsportsmanlike behaviour" had also admitted he called for the trainer even though he was not injured to try to disrupt his opponent's momentum.
Russia's Daniil Medvedev was slapped with a 14,500 fine after a series of disputes with umpire Mariana Alves during his five-set loss to Ruben Bemelmans in the second round. Medvedev ended the match by throwing coins in the direction of umpire's chair although he insisted the bizarre gesture was not meant to imply that the official was corrupt.
Meanwhile, Defending champion Andy Murray and 10-time French Open winner Rafael Nadal both moved to the third at Wimbledon with a straight-sets wins here on Wednesday.