A year ago, Hideki Matsuyama also pulled out of a tournament just weeks before the start of the Masters when he was the defending champion.
The 2021 Japanese champion had his second even-par round of the tournament, improving on a 5-over 77 in the third round.
Matsuyama needs a record-breaking performance over the final 18 holes to retain the green jacket.
World No. 1 Scottie Scheffler leads the field with an 8-under 136 at the midway point.
The five-time Masters champion plays his first round of competitive golf in more than 500 days, while Matsuyama shoots an even-par 72.
The reigning Masters champion said he expects to be able to participate in the upcoming major in Augusta, Georgia.
Individual achievements and team success stories gave us excitement and entertainment, all of which we should be grateful for.
This saliva test will be required for athletes and people who have close contact with Olympians "to minimize the risk of undetected positive cases that could...
Ohtani's powerful swing produced "the hardest-hit ball in the majors so far this season," the Los Angeles Daily News reported.
The Ehime Prefecture native became the first Japanese man to win a golf major.
The two-time Olympic hammer throw medalist will undergo a stem cell transplant as part of his medical treatment.
The 17-year-old Okayama Prefecture native became the first Asian to capture a title at the home of the Masters.