The three-times Major winner, who shot a first-round 75, was eight-over par 10 holes through his second round before pulling out.
"Due to illness, Vijay Singh has officially withdrawn from Masters Tournament competition after completion of 10 holes in his second round," organisers said in a statement on Twitter.
Ryder Cup
Lowry hits out at 'idiots' in Ryder Cup crowd
29/09/2021 AT 17:27
World number one Dustin Johnson is among four players to have grabbed a share of the lead at nine under par before play was suspended due to darkness on Friday. (Reporting by Arvind Sriram in Bengaluru, editing by Pritha Sarkar)
Golf
'I hate this tournament!' - Team Europe emotional after the Ryder Cup loss
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Ryder Cup
'Unfinished business' - Spieth already targeting 2023 win with Team USA
27/09/2021 AT 09:03