The Swede, who won the KLM Open three weeks before the Ryder Cup, played only 14 holes over the course of the first two days, suffering a 5&4 defeat alongside Paul Lawrie against Bubba Watson and Webb Simpson in the Friday fourballs.
And Hanson, who was the only member of the European team to record no points at Medinah Country Club, admitted after the first round of the Dunhill Links that his anger at what transpired in Chicago still hadn’t subsided.
“I might not send him any Christmas cards this year,” said Hanson, after being asked about Spaniard Olazabal.
“The Ryder Cup hurt my confidence a bit, especially the first couple of days.
“I came in there full of confidence after the win in Holland and played really well during the practice rounds. When I didn’t get to play more than 14 holes in the first two days, that really got to me and I was very disappointed on Saturday.”
Hanson was only told he wouldn’t be involved 20 minutes before the start of the Saturday four balls. He had already played some practice holes and marked the pin positions in his notepad.
“That’s probably why I got so upset. I was already in game mode. I just wanted to get out there and win some points,” he said.
“I didn’t take it very well, but I took it for myself. I didn’t let it go out over anyone else. I just locked myself in a dark room and stayed there for a couple of hours. I didn’t damage the team and that was the main thing.
“Having come into the Ryder Cup playing so week, winning and preparing myself for six weeks and the not getting to play – it hurts for a while.
“I haven’t spoke with Ollie about it since. We didn’t have the time and I didn’t want to bring it up when we were celebrating.”