Women's world number one Chen Meng and men’s top seed Fan Zhendong earned victories at the International Table Tennis Federation Qatar Open in Doha.
Top seed Chen was forced to come from a game down to beat Mima Ito at the Aspire Dome.
Ito won the opening game 11-3 to threaten an upset in the final.
Chen, who beat defending champion Wang Manyu yesterday, battled back to win the next four games.
She triumphed 3-11, 11-7, 11-9, 11-7, 11-7 to secure the title.
Fan booked his place in the men’s final by overcoming Wang Chuqin 4-2 in an all-Chinese semi-final.
He would face the challenge of England’s Liam Pitchford, who was a 4-2 winner against China’s Xu Xin.
Pitchford battled impressively in the final, but ultimately fell to an 11-9, 11-7, 8-11, 11-4, 6-11, 11-7 defeat to Fan.
Doubles titles had been claimed yesterday at the ITTF World Tour Platinum event.