Seven-time champion Serena Williams has been announced as the 25th seed for Wimbledon.
The 36-year-old American, who has returned to competitive tennis following the birth of her daughter last September, is 183rd in the WTA Tour standings.
The All England Club usually follows the latest ranking list, but under the tournament rules can make a change if deemed "necessary to produce a balanced draw".
Williams' inclusion in the seedings means world number 32 Dominika Cibulkova, a two-time Wimbledon quarter-finalist, misses out and so will go into the open draw.
Slovakian Cibulkova had been left less than impressed by the prospect ahead of the seeding announcement.
"I don't think it's the right thing to do," Cibulkova told the BBC. "I think it's just not fair.
"I have tried and I should be seeded. If they put her in front of me then I will lose my spot that I am supposed to have.
"I was a former number four, and it's also like why should I not be seeded if I have the right to be?"
French Open champion and world number one Simona Halep is the women's top seed, with last year's champion Garbine Muguruza third.
In the men's draw, the grass-court Wimbledon formula sees Roger Federer, looking for an eighth singles crown, confirmed as top seed ahead of world number one Rafael Nadal, the French Open champion.
Kyle Edmund, the British number one, is seeded for the first time at number 22, having reached the semi-finals of the Australian Open.
Former champion Andy Murray, however, misses out as he continues his comeback from hip surgery. He is set to play Edmund in Eastbourne later on Wednesday.