The talented Yadlapalli came back from being a set down to beat the Korean 3-6 6-4 6-4.
Dabin, displaying her class, took the first set with one break of serve by 6-3.
In the second, Yadlapalli focussed on consistency and made use of every opportunity to take a lead of 5-2. From there, Dabin took two consecutive games to make it 5-4.
Ultimately, Yadlapalli levelled the match to one-set all, snatching it 6-4.
In the decider, Dabin looked confident again and paced to a 4-2 lead, from where Yadlapalli came up with her best and blasted numerous passing shots to settle the issue.
Results (Round I)
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Boys: S Mansouri (Tun)(1) bt Garvit Batra 7-5, 6-2; Robbie Ridout (GBR) b Sai Nikhil Mannepalli 6-3, 6-1; Shaikh Abdullah b Yun Ruei Wen 6-3, 6-1; T Tortrakul (Tha)(8) b Sachin Kumar 4-6, 6-4, 6-2; D Karimov (Uzb)(6) b Anshu Bhuyan 6-4, 7-5; Dhruv Pal bt Aoran Wang (Chn) 7-6 (5), 6-3l Shao Chi Yang (Tpe)(7) bt Fatehdeep Singh 6-2, 6-3; Majed Kilani (Tun) b Anvit Bendre 6-2, 7-5; Rishab Agarwal (2) b Nitin Sinha 6-2, 6-3.
Girls: Pranjala Yadlapalli b Kim Dabin (Kor)(1) 3-6, 6-4, 6-4; Ekaterina Popova (Rus) b Sharvini Shivapuri 6-0, 6-0; Greetje Minnen (Bel)(3) b Kanishka Chawla 6-1, 6-1; Petra Pirtola (Fin) b Karman Kaur Thandi 6-4, 6-3; Riya Bhatia (8) b Suyeon Choi (Kor) 2-6, 6-4, 7-5; T Suetrong (Tha) (5) b Abhilasha Vishwanath 6-1, 6-1; D Venugopal Tatachar b Rheeya Doshi (Sin) 6-3, 6-2; Pei Wen Kao (Tpe) b Ah Song (Kor) 7-6 (3), 6-3; Raveena Kingsley (USA) bt Aboli Goghari 6-0, 6-0.