"I'm enjoying being on the court again playing some matches against the top players in the world. It's great to be here, a great atmosphere," said Wawrinka to Barbara Schett as per Eurosport.
"It was a tough first set, I didn't play well in the tiebreak, I was being too defensive. I wanted to try and be more aggressive, try to play my game, try to be on the court and be the aggressive player. I am happy with the level and hopefully I can play a good match tomorrow (Friday)."
Semi-final line-up set at Diriyah Tennis Cup as Norrie, Wawrinka and Fritz join Medvedev in Saturday's action
Ranked down at 149 in the world, the multiple time Grand Slam champion heads into the twilight of his career still with the fire to return to his best and he said the hard work is in evidence.
"I'm not playing bad for my age. I've been on tour for so many years, hopefully we play Super Tiebreak in the third set so it's better for me. I've been practicing hard on the fitness side and on the tennis wise too. I love to play tennis, I love the competition, I love the process to get to my best game and hopefully I will next year."