Getty Images

3

Just after reaching the final of an ITF 60K in Asuncion, Paraguay, Sara Errani defends her underarm serving to her critics. Videos of her underarm serves had been circling for months.

The 2019 fall season was packed with viral moments, milestone victories and baffling changes in direction. Let's reflect on the Aces and Faults from the end of the year, first with the highlights and now with the lowlights.

1

In Shanghai, after receiving a point penalty for unsportsmanlike conduct, Roger Federer shuts down a reporter’s question about it.

Advertising

2

After going 1–8 in 2019, am injury-plagued Jack Sock loses all of his ATP points and becomes unranked. He ends the year ranked No. 119 in doubles and makes the Davis Cup team in Madrid.

Aces & Faults: Lows
from the 2019
fall season

Aces & Faults: Lows from the 2019 fall season

Advertising

Getty Images

3

Just after reaching the final of an ITF 60K in Asuncion, Paraguay, Sara Errani defends her underarm serving to her critics. Videos of her underarm serves had been circling for months.

4

Abigail Spears is provisionally suspended by the ITF after testing positive for testosterone and prasterone.

Advertising

5

On November 7 at an ITF in Las Vegas, a confrontation erupts between Katherine Sebov and Alycia Parks over a handshake.

Advertising

6

In Houston, Eugenie Bouchard, ranked No. 220 in the world, snaps a 13-match losing streak but then retires after playing just three games in the third round.

7

Tomas Berdych joins Dominika Cibulkova, David Ferrer, Janko Tipsarevic, Marcos Baghdatis, Lucie Safarova, Nicolas Almagro, and Mikhail Youzhny as 2019 retirees.

8

Reilly Opelka reveals that Taylor Fritz, Tommy Paul and Frances Tiafoe can’t dunk a basketball.

Advertising

Coco Gauff claims Chris Eubanks also can't dunk, but he quickly defends himself on the TENNIS.com Podcast.

Advertising

9

Caroline Wozniacki announces that the 2020 Australian Open will be her last tournament.

10

Andy Murray reveals he will miss the 2020 Australian Open with a pelvic injury. Kei Nishikori and Lucas Pouille also withdraw from the first Slam of the year.

Advertising

4

Abigail Spears is provisionally suspended by the ITF after testing positive for testosterone and prasterone.

Advertising

5

On November 7 at an ITF in Las Vegas, a confrontation erupts between Katherine Sebov and Alycia Parks over a handshake.

6

In Houston, Eugenie Bouchard, ranked No. 220 in the world, snaps a 13-match losing streak but then retires after playing just three games in the third round.

7

Tomas Berdych joins Dominika Cibulkova, David Ferrer, Janko Tipsarevic, Marcos Baghdatis, Lucie Safarova, Nicolas Almagro, and Mikhail Youzhny as 2019 retirees.

Advertising

8

Reilly Opelka reveals that Taylor Fritz, Tommy Paul and Frances Tiafoe can’t dunk a basketball.

Advertising

Coco Gauff claims Chris Eubanks also can't dunk, but he quickly defends himself on the TENNIS.com Podcast.

9

Caroline Wozniacki announces that the 2020 Australian Open will be her last tournament.

Advertising

10

Andy Murray reveals he will miss the 2020 Australian Open with a pelvic injury. Kei Nishikori and Lucas Pouille also withdraw from the first Slam of the year.