Defending champion Andy Murray guaranteed he will play for another Olympic medal after battling past Steve Johnson to reach the semi-finals.
Thursday's swirling wind, which contributed to Murray almost crashing out to Fabio Fognini, had died down and the world number two initially found the conditions much more to his liking.
But, after a dominant opening set, he faltered in the second and again found himself in a real fight before recovering from a break down in the decider to win 6-0 4-6 7-6 (7/2).
And this was pretty much everyone's reaction.
Yep, it was a close one.
Job done for Murray. Into the semifinals and a match for a medal. But that was mighty close. Johnson stayed with him after a rough start.
-- DavidLaw (@DavidLawTennis) August 12, 2016
-- Ali Jawad (@AliJawad12) August 12, 2016
-- Ali Harper (@ali_harper) August 12, 2016
-- Teamdonovan (@teamdonovan_) August 12, 2016
TBH, it was pretty scary to watch.
-- Callum Mccrae (@callummccrae1) August 12, 2016
-- Mrs Crewe (@bethvaughan15) August 12, 2016
Well done Andy Murray on reaching Olympic semis.But please no more nail biting finishes. Exciting but scary!!
-- Danny McCafferty (@dmccafferty49) August 12, 2016
And there's really no denying how much scraping a win meant to the defending champion - his celebration face was on top form.
Murray will now face either fourth seed Kei Nishikori or France's Gael Monfils in the last four on Saturday and will surely need to play much better to make the final.
Fingers crossed he will, and it won't be quite so nail-biting for us cheering him on...