Hannah Miley expects to take on a different Ye Shiwen on Wednesday night when the pair renew their acquaintance in the final of the 400 metres individual medley at the World Short-Course Championships in Istanbul.
Ye said: "It went okay. I always feel very tired at the beginning of a competition, it is always very hard. I didn't even reach my personal best."
This somewhat contradicts her overwhelming performance in London - which came on the first day of competition.
Racing
As well as Miley, Jemma Lowe, four-time Olympic finalist, will also compete in a final on Wednesday night after qualifying seventh in the 200m butterfly (2:06.14).
In London, the Swansea ITC swimmer was sixth in the 200m, something she admits "feels like ages ago".
The 22-year-old said: "It was weird racing this morning because it was my first race since the Olympics.
"Before the Olympics it was really hard to look past it, and think what was going to be happening afterwards, but now I am back into training and racing again, it's like it never happened."
Meanwhile, Olympic 200m breaststroke silver medallist Michael Jamieson reached the 100m breaststroke semis in a personal best of 58.61 - although he admitted he had had to go all out.
He said: "I am not big enough or quick enough over the 100 to take it easy in these earlier rounds but that is all right, it's not bad."
Lizzie Simmonds and Georgia Davies reached the 100m backstroke semis and the women's 4x200m freestyle squad qualified for the final.
Ieuan Lloyd and Robbie Renwick were joint 20th and 28th respectively in the 200m freestyle although the former's time of 1:45.67 was a new Welsh record.
Chris Walker-Hebborn (100m backstroke), Craig Benson (100m breaststroke) and the men's 100m freestyle relay did not progress.
There was also a notable performance from Olympic 100m breaststroke champion Ruta Meilutyte.
The teenager, who studies at Plymouth College and represents Lithuania, set a new championship record of 29.56 in the 50m breaststroke heats.
