Ntseki started out a school teacher before the coaching bug hit him and he followed his passion.
It's understood he sustained critical injuries in a car crash while he was fleeing East London following the attack on Leighandre Jegels and her mother on Friday.
Swiss 23rd seed and 2016 champion Wawrinka led Djokovic 6-4, 7-5, 2-1 when the Serb quit, having received treatment on his troublesome left shoulder before the start of the third set.
Links arrived at the Citizens in January 2018 from Egyptian Premier League side Al Assiouty Sport.
The Ferrari driver's landmark success came in the aftermath of 22-year-old Frenchman Hubert's death in Saturday’s tragic Formula Two race.
The 25-year-old tested positive for ‘multiple anabolic steroids and metabolites’ and faces up to four years out of the game because of the offence.
'It was great. I thought I had a good feeling out here,' Federer said. 'David didn't have his best day either, he was struggling.'
Unai Emery's side were in danger of a damaging defeat after goals from Christian Eriksen and Harry Kane put Tottenham in control by the 40th minute at the Emirates Stadium.
Jegels was allegedly shot by her police officer boyfriend, whom she is reported to have a protection order against.
The minute of silence will be observed at 14:53pm local time on the grid before the race gets underway at 15:10pm, according to an official schedule.
