Peter Nicol showed no ill-effects from his epic opening match as he reached the World Open quarter-finals in Egypt.
Nicol's extraordinary athleticism helped him progress
The sixth seed, playing his final event before retiring, was within one point of losing in the first round in Cairo.
The Englishman lost the opening game in his second-round clash with Australia's 15th seed Stewart Boswell but came back to clinch a 7-11 11-10 11-7 11-2 win.
World champion Amr Shabana also had a scare against best friend Mohammed Abbas but won 11-6 5-11 11-9 11-10.
England's Lee Beachill, seeded 10th, went out to unseeded Egyptian Ramy Ashour 11-4 10-11 6-11 11-8 11-5.
French third seed Thierry Lincou, the former world champion, advanced with an 11-10 9-11 11-3 11-8 win over Finn Olli Tuominen and now meets Nicol, who beat him at the same stage last year.