Sithole beat Great Britian’s Anthony Cotterill in the final.
Sithole said, “I came to Seoul to win and the only way I could achieve that was to stay focused and stick to my game plan. I am very delighted for my third title here in Korea.”
Wheelchair Tennis South Africa director and performance coach Holger Losch said, “Our players have been working very hard, and it is so good to see them reaping the rewards. We are thrilled to see Lucas Sithole claiming another title.”
South Africa’s Evans Maripa crashed out in the quarterfinals.
Sithole is currently competing at the Daegu Open, another event taking place in South Korea.