The Men

Performance of the week

Morikawa becomes world number one

Collin Morikawa is the new World Amateur Golf RankingTM number one this week. He rises one spot to swap places with Walker Cup teammate Braden Thornberry. The University of California player moves to the top of the table after a seventh-place finish in the Pac-12 Men’s Golf Championships at Rolling Hills Country Club in California. The 21 year old’s closing 66 was the best final round score thanks to a 6-under 30 on the back nine. He finished six strokes behind Justin Suh, who posted a 16-under 268 to win by four shots. Suh also makes a one ranking rise to become the world’s fifth best amateur.

Zhang breaks into top 25 with joint SEC win

China’s Andy Zhang moves to 24th, a nine-ranking rise, after sharing victory in the SEC Championship with American Cecil Wegener. They finished two shots ahead of the field after posting 5-under 205 totals. Ole Miss student Wegener more than halves his world ranking, jumping 313 places to 308th.

Hardy joins top 12 with Big Ten win

Nick Hardy of the United States makes a two-ranking rise to 11th thanks to a two-shot victory in the Big Ten Championship.

Top 50 movers

There are no top 20 players this week, while two players join the top 50. England’s Gian-Marco Petrozzi edges up two places to 50th. Kristoffer Ventura of Norway improves 14 rankings to 37th after sharing victory in the Big 12 Championship with Frenchman Jeremy Gandon, and Americans Doug Ghim and Grant Hirschman. 

Biggest ranking improvement

Hennie O'Kennedy of South Africa makes the week’s biggest gain with a jump of 1,551 rankings to world number 3,568.


The Women

Performances of the week

Tavatanakit matches Vu to join top 10

Paphangkorn Tavatanakit of Thailand moves into the World Amateur Golf RankingTM top 10 after sharing victory in the Pac-12 Championship with world number one Lilia Vu. They finished on 8-under par 208 over the Broadmoor Golf Club in Seattle to separate themselves from the field by two shots. Tavatanakit makes a five-ranking rise to ninth to replace compatriot Pimnipa Panthong as Thailand’s number one amateur. Panthong drops one spot to 10th.

Maguire shares ACC victory

World number two Leona Maguire shared victory in the ACC Championship with Duke University teammate Jaravee Boonchant, but missed out on reclaiming the world number one spot because of Lilia Vu’s joint Pac-12 win. Maguire and Boonchant won by four shots after posting matching 6-under 210 aggregates to give Duke the team win. Boonchant strengthens her status as Thailand’s fourth best amateur with a jump of 41 places to 61stst.

Caldwell, Hall & Ryu join top 100 with wins

Three players move into this week’s world top 100 after wins around the world. Italian Caterina Don makes a 20-ranking improvement to 88th with victory in the Italian Girls U18 National Championship. Korean Hae-ran Ryu won the Neighbors Trophy Team Championship in her homeland to rise five places to 89th. Finally, Madison Caldwell’s ASUN Championship win sees the American advance eight spots to 90th.

Top 50 movers

There are no new top 20 players this week, while two Americans move into the top 50. Haylee Harford rises two spots to 49th, and Kaitlyn Papp advances three positions to 50th.

Biggest ranking improvement

Naphatsawan Pabsimma of Thailand is the week’s biggest riser by climbing 492 rankings to 1,829th after winning the SINGHA Thailand Amateur Match Play Championship in her homeland.

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