Manika Batra fights her way into WTT Contender semis (Image Source: IANS)
The 27-year-old overcame her Korean rival 11-6, 11-9, 4-11, 5-11, 11-7 in 41 minutes to set up a last-four clash with World No. 24 Zhang Rui of China.
Manika started on a rosy note against Choi, winning the first two games but lost the next two before lifting her game by a few notches to win the fifth and deciding game and seal a last-four spot.
Earlier, Zhang defeated Yi Chen of China 3-2 to make it to the semifinals.