Kicker was kicked out of the French Open last month after an anti-corruption hearing officer ruled that the 25-year-old from Argentina arranged the results of two Challenger tour matches in 2015.
"I won't rule anything out just now", he said about his upcoming plans. "I really haven't played a whole lot of tennis, so I'm happy I got out there and competed and performed respectably".
He was clearly tired at the end and there was even the suggestion of a limp but Murray said that was only to be expected after such a long layoff.
The 31-year-old three-times Grand Slam champion had not played a competitive match since losing to Sam Querrey in last year's Wimbledon quarter-finals and opted to have right hip surgery five months ago.
"No [I'm not playing without pain] but I don't really know how many athletes are pain free at this stage of their career", he said.More news: Modric leads revamped Croatia against Iceland
"I just want to play as many matches as possible on grass".
Some people get it and it affects their decision-making, whereas when I get it those nerves allow me to concentrate much better.
Murray demonstrated his renowned resilience as he saved break point in the opening game, before eventually reeling off four successive games to clinch the first set 6-2.
It was a hard day for the British contingent as Brydan Klein was beaten on centre court by Canadian Brayden Schnur in two tie breaks while Jack Draper won just six games against Barbadian Darian King.
"Then once I got out there on court I didn't feel too emotional".
"I haven't been returning well at all the last couple weeks on the grass", he said.More news: North Korea Limits Family Reunions
Kyrgios fired 18 aces, and also 11 double faults, in a typically cavalier serving display. He came out really good and I kind of expected that.
Former world number one Novak Djokovic says overcoming the mental challenge will be Andy Murray's biggest obstacle when he returns to tennis after a long-term hip injury.
"It was odd because on big points, when I won them, I nearly felt bad if I showed any emotion". I thought I put a lot of pressure on him, on his service games, because I was getting a lot of returns back in play.
He is certain it will take time for the Scot to completely convince himself he is over the injury and can play without any fear of a relapse.
Murray - now ranked 157th in the world after his time out injured - said yesterday that he was "expecting to be nervous" ahead of his clash with Kyrgios.More news: Rudy doubt for Germany with broken nose