American Kayla Day broke on the scene in 2016 at the US Open. As a former number one ranked junior, all eyes were on the American. That same year she was the junior US Open champion. Fast forward seven years later and she has broken through the top hundred ranking barrier by winning another ITF tournament.

Kayla Day Makes Her Move

It is always exciting to see what former junior number ones accomplish in their professional careers. Surprisingly, a top junior ranking does not often translate into success on the professional tour. In fact, quite a few have struggled to perform under the pressure of expectation. How will Kayla Day handle the pressure?

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ATP & WTA Top 100 Ranking Changes

ATP	RANKING CHANGES	CURRENT RANK
Pedro Cachin (ARG)	UP  41	49                    CAREER HIGH
Hugo Gaston (FRA)	UP  28	92
Aslan Karatsev (RUS)	UP  17	69
Albert Ramos-Vinolas (ESP)	UP  14	65
Adrian Mannarino (FRA)	UP  11	27
Daniel Elahi Galan (COL)	DOWN  11	67
Yibing Wu (CHN)	DOWN  11	89
WTA	RANKING CHANGES	CURRENT RANK
Kayla Day (USA)	UP  31	94                    CAREER HIGH
Kateryna Baindl (UKR)	UP  23	77
Bernarda Pera (USA)	DOWN  17	56
Lucia Bronzetti (ITA)	DOWN  16	69
Nadia Podoroska (ARG)	UP  14	66
Aliaksandra Sasnovich (RUS)	DOWN  11	75
Ana Bogdan (ROU)	UP  10	39
Clara Burel (FRA)	UP  10	84
Claire Liu (USA)	UP  10	78
Irina-Camelia Begu (ROU)	DOWN  10	41

ATP & WTA Top 10 Ranking Changes

ATP:  there were no changes in the top ten. Djokovic is the only top ten player who is over thirty years old. The current top four players are still: [1] Carlos Alcaraz; [2] Novak Djokovic; [3] Daniil Medvedev; and [4] Casper Ruud.

WTA: there were no changes in the top ten. The current top four players are still: [1] Iga Swiatek; [2] Aryna Sabalenka; [3] Elena Rybakina; and [4] Jessica Pegula.

ONES TO WATCH: Eighteen year old American, Alex Michelsen, climbed fifty spots to 140. Rafael Nadal is currently ranked 142

SOURCE OF IMAGES: Getty Images