The Santaizi ATP Challenger is a tennis tournament held in Taipei City, Taiwan since 2014. The event is part of the ATP Challenger Tour and is played on indoor hard courts. Following a four year hiatus, it returned in 2024 with a prize money of $82,000.^[1]

Year	Champion	Runner-up	Score
2024 [2]	Adam Walton	Illya Marchenko	3–6, 6–2, 7–6(7–3)
2020–23	Not held
2019 [3]	Dennis Novak	Sergiy Stakhovsky	6–2, 6–4
2018 [4]	Yuki Bhambri	Ramkumar Ramanathan	6–3, 6–4
2017 [5]	Lu Yen-hsun	Tatsuma Ito	6–1, 7–6(7–4)
2016 [6]	Daniel Evans	Konstantin Kravchuk	3–6, 6–4, 6–4
2015 [7]	Sam Groth	Konstantin Kravchuk	6–7(5–7), 6–4, 7–6(7–3)
2014 [8]	Gilles Müller	John-Patrick Smith	6–3, 6–3

Year	Champion	Runner-up	Score
2024 [9]	Ray Ho Nam Ji-sung	Toshihide Matsui Kaito Uesugi	6–2, 6–2
2020–23	Not held
2019 [10]	Sriram Balaji Jonathan Erlich	Sander Arends Tristan-Samuel Weissborn	6–3, 6–2
2018 [11]	Matthew Ebden Andrew Whittington	Prajnesh Gunneswaran Saketh Myneni	6–4, 5–7, [10–6]
2017 [12]	Marco Chiudinelli Franko Škugor	Sanchai Ratiwatana Sonchat Ratiwatana	4–6, 6–2, [10–5]
2016	Hsieh Cheng-peng Yang Tsung-hua	Frederik Nielsen David O'Hare	7–6(8–6), 6–4
2015	Matthew Ebden Wang Chieh-fu	Sanchai Ratiwatana Sonchat Ratiwatana	6–1, 6–4
2014	Samuel Groth Chris Guccione	Austin Krajicek John-Patrick Smith	6–4, 5–7, [10–8]

• ATP Challenger website

• List of sporting events in Taiwan