Danai Udomchoke was the defending champion, but he chose not to compete this year.
Lim Yong-Kyu won in the final 6–1, 6–4 against Lu Yen-hsun.
Lukáš Lacko was the defending champion but decided not to participate.
Lu Yen-hsun won the tournament after defeating Kevin Anderson 6–3, 6–4 in the final.
This was the first edition of the tournament. Cedrik-Marcel Stebe won the final against Alexandre Kudryavtsev 6–4, 4–6, 7–5.
Andy Murray was the defending champion and successfully defended his title by beating David Ferrer 7–5, 6–4 in the final.
Lu Yen-hsun successfully defended his title by defeating Jimmy Wang 7–5, 6–3 in the final.
The 2012 Singapore ATP Challenger was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Singapore between February 27 and March 4, 2012.
Go Soeda won the first edition of the tournament after beating Tatsuma Ito 6–3, 6–0 in the final.
Grega Žemlja was the defending champion, but chose not to compete.
Top seeded Lu Yen-Hsun beat Go Soeda 6–2, 6–4, to claim the title.
Go Soeda was the defending champion but chose not to compete.
Top seed Lu Yen-hsun won the title over Yuki Bhambri 6–4, 6–3.
Lu Yen-hsun was the three-time defending champion, but lost to Germain Gigounon in the first round.
Dušan Lajović won the title when Julian Reister withdrew with an illness.
Go Soeda was the defending champion, but lost in the quarterfinals.
This was the first edition of the tournament.
Roger Federer was the defending champion, but lost in the second round to Albert Ramos-Viñolas.
Novak Djokovic won the title, defeating Jo-Wilfried Tsonga in the final, 6–2, 6–4.
This was the first edition of the tournament for since 2012, Lu Yen-hsun won the title defeating Jürgen Zopp in the final 7–6(7–3), 6–1.
Go Soeda was the defending champion, but chose not to defend his title.
Lu Yen-hsun was the defending champion and successfully defended his title.
Frédéric Niemeyer was the defending champion, but lost in second round to Peter Polansky.
Dan Evans was the defending champion but chose not to defend his title.
This was the first edition of the tournament.
Thomas Fabbiano was the defending champion but chose not to defend his title.
Lu Yen-hsun 
Go Soeda 
