Green featured for Leeds against his former club QPR in the Championship on Sunday afternoon.
The goalkeeper left Rangers at the end of last season and joined the Whites in the summer transfer window.
The 36-year-old started the match at Loftus Road in London and played for the entire 90 minutes.
Leeds United's Robert Green
The former West Ham United and Norwich City goalkeeper had a game to forget, as Leeds suffered a 3-0 defeat to QPR.
Green was responsible for the home team’s opening goal of the match in the fourth minute.
The Leeds goalkeeper failed to clear a corner, and Nedum Onuoha bundled the ball in from a yard out.
QPR scored twice in the second half to wrap up all three points from the match.
Robert Green celebrates
During his time at QPR, Green had developed a reputation of making mistakes, and the London club’s fans have mocked him on Twitter.
Below are some of the best comments:
Proper QPR kit. Proper performance. Decent all-round, room for improvement but well balanced. Nice to have Rob Green back too— Leo Phillips (@leo_phillips) August 7, 2016
It just goes to show it wasn't QPR cursed by the TV cameras it was Rob Green #QPR— brian death (@briandeath1) August 7, 2016
Sebastian Polter is the man. Great decision to get rid of Green by Jimmy, Great day for QPR fans.— ㅤJ. (@HoiIett) August 7, 2016
Our first goal, shows why we stopped playing green and didn't want to renew his contract #QPR— James (@qprjamesqpr) August 7, 2016
Perfect performance & we even got a thank you present from Rob Green #QPR— Dean Spencer (@Spenno1) August 7, 2016
Rob Green doing a Rob Green against QPR, Karl Henry running the show, great pen from Chery. Improvement needed but decent opening day. #QPR— Jonathan Hill (@JonHill12) August 7, 2016
Well, Rob Green has got better at finding hooped shirts with his clearances since leaving #QPR— Simon Lambert (@slimboyslim) August 7, 2016
Robert Green looks dejected