In the final tomorrow, Suresh will take on fourth-seeded Abhimanyu Vannemreddy of Delhi, who got the better of unseeded Rhythm Malhotra 7-6, 6-3.
The girl's singles final would see top-seed Akanksha Bhan of Gujarat clash with Shivani Manjanna of Karnataka. Bhan, who is on a roll, outclassed Chandigarh's 16th-seeded Prinkle Singh 6-3, 6-0.
The matches had to be shifted from the clay courts at MCC to the hard courts at the SDAT Tennis Stadium at Nungambakkam due to overnight rain.
The second set saw Somani break the lanky Tamil Nadu southpaw mid-way to bounce back into contention.
More From This Section
In the decider, Suresh raised his game and volleyed crisply to get a crucial break of serve in the sixth game and went on to win the set 6-3.
Earlier in the quarterfinals, Suresh proved too strong for the third-seeded Megh Bhargav Kuma Patel of Gujarat and won rather comfortably.
The run of Tamil Nadu qualifier Yeshwanth Loganathan ended with a three-set loss at the hands of Rhythm Malhotra.
Quarterfinals: Parikshit Somani bt Arjun Channathimmiah Honnappa (Kar) 6-4, 6-4; Dhakshineswar Suresh bt Megh Bhargav Kuma Patel (Guj) 6-2, 6-4; Abhimanyu Vannemreddy bt Yugal Bansal (Del-S6) 6-3, 6-4; Rhythm Malhotra bt Yeswanth Logonathan (TN) 6-4, 6-7(0), 7-6(7).
Girls singles (semifinals): Akanksha A Bhan bt Prinkle Singh 6-3, 6-0; Shivani Manjanna (Kar-S11) bt Tanisha Kashyap (Assam-S2) 2-6, 7-6(5), 6-1.
Quarterfinals: Akanksha A Bhan bt Humera Shaik (Telangana-S7) 6-2, 6-1; Prinkle Singh bt Chandrika Joshi (Q) 6-2, 6-1; Shivani Manjanna bt Shreya Tatavarthy (Telangana) 6-0, 6-2; Tanisha Kashyap bt Rishika Ravindran (TN) 6-0, 6-1.