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Greig (39) was the first to tee off in the event at 7.30am but her match was more like a stroll in the park than a tough competitive golf match, and was over by 9.11am.
It was more like a 9/11 blitz for her unfortunate opponent, Heather Oldfield from Aorangi, having lost 10 holes on the trot.
Tournament director Phil Aickin could not recall any match in any event he has run being over so soon.
Posting 10 consecutive wins is a rare feat and Greig achieved it with early birdies on the third and fourth holes to take command.
She continued her good form in the afternoon, with a 6 and 5 win over Lucy Owen, fromHawkes Bay.
Greig is the head teacher at Abbotsford Kindergarten and has been spending all of her spare time on the practice fairway and greens during the last four weeks.
In particular, she has honed her short game which has already paid dividends on the scoreboard.
''When I heard we were playing off the white tees, I spent a lot of time playing that course, which was quite different from the usual yellow tees,'' Greig said.
Greig has won the Otago championships at Balmacewen on two occasions, first as Susan Wilson in 1996 and more recently in 2008, after her marriage to Danny Greig.
She was always going to be a formidable opponent on her home course at No 5 as she has played at No 1 for Otago in this tournament on four previous occasions.