Was Iga Swiatek's notebook key to Qinwen Zheng comeback win? Mats Wilander and Tim Henman analyse

What was in the notebook? That was the question that Mats Wilander and Tim Henman tried to answer after seeing Iga Swiatek fight back to beat Qinwen Zheng at the French Open. Ad/> The world No. 1 went off court after spurning five set points and then losing the first set to Zheng.

/> Roland-GarrosAndrey Rublev — Jannik Sinner — Roland-Garros Highlights38 MINUTES AGO When she returned she had a notebook filled with writing in her hands and she only dropped two more games as she won in three sets. Asked what could have been written down to help her turn the match around, seven-time Grand Slam champion Wilander said: “I’m guessing because she hadn’t played her before there wasn’t a whole lot of information apart from what she watched on video, so most probably it was more about encouragement, how to stay in the moment, like meditation and breathing. “I am assuming it has more to do with her than her opponent.” Swiatek survives Zheng scare to make quarter-finals Djokovic v Nadal confirmed for Tuesday evening Swiatek is now unbeaten in 32 matches and next faces American Jessica Pegula in the quarter-finals.

“Whatever was in the notebook, Swiatek kept her cool,” said former British No. 1 Henman. “She looked a little frustrated at times, there was the dialogue with the box and that is unusual, but she really knuckled down, got the second set and maintained the momentum.

“When she has won so many good matches it’s good to have frustration to give her something to work on to build for the next round.” Zheng rallied from 5-2 down in the tie-break to clinch the first set. However, the 19-year-old required a medical time out in the second set and returned to court with a strapped right thigh. Henman added: “Swiatek got off to the