Four amateur miniature golfers attempt to finish 100 holes under par several times. Each round of 100, the number of holes they successfully complete under par is recorded.

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Could someone get a golf score of 18? - Quora
Let us take look at the Par 3 course firt; and then we will look at say, a Par-68 course. ... own, some equation I can think of, would be 0.0004 percent individually 18 times. ... Many holes in golf require what is call a par 3, 4 or 5, which means that from the ... The lowest recorded round by a PGA Tour golfer in competition is 58, ...
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U.S. Open (golf) - Wikipedia
Firstly there is Local Qualifying, which is played over 18 holes at more than 100 courses around the United States. Many leading players are exempt from this first ...
For more information, see U.S. Open (golf) - Wikipedia