Kento Takeuchi defeated Yuichi Ito 6-2 6-3 in the Singapore F1 round of 16 on hard. The upset overturned the form book — Yuichi Ito came in leading the head-to-head 6–3, but Kento Takeuchi had been the form player, winning 4 of their last 9 on hard. Kento Takeuchi narrowed the head-to-head to 6–4.
Takeuchi K. took it in straight sets.
Hard: Ito Y. leads 5–4 · Clay: Ito Y. leads 1–0
Kento Takeuchi beat Yuichi Ito 6-2 6-3. Umpiry, "Kento Takeuchi vs Yuichi Ito — Singapore F1 Round of 16", https://umpiry.com/match/2017-05-22/ito-vs-takeuchi-singapore-f1-r16?utm_source=cite (as of 22 May 2017).