Tanapat Pichaikool, on a break from senior studies at Mississippi State University in the US, maintained his composure to beat Ratchapol Jantavara by two strokes for the Bt2-million Singha Championship title at Rayong Green Valley on Sunday.

Incessant rain has forced organisers to reduce the Singha All Thailand Memorial to only 54 holes. Two-time All Thailand Golf Tour winner Pavit Tangkamolprasert and amateur Tanapat Pichaikool shared the clubhouse lead at nine-under on Saturday.