As of July 2022, The Hawaii Open is now the Waikiki Cup.

Hawaii Open Tennis Tournament
Tournament information
Location	Honolulu United States
Venue	Stan Sheriff Center (2019) Blaisdell Arena (2018) Central Oahu Regional Park (2016,2017)
Surface	Hard – indoors
Draw	5 men and 5 women
Website	www.waikikicup.com
Current champions (2019 Hawaii Open)
Men's singles	Sam Querrey
Women's singles	Danielle Collins

The Hawaii Open is a hardcourt men's and women's professional tennis tournament held annually in Honolulu, Hawaii. The tournament features players from the WTA and ATP Tour. The invitational tournament occurs immediately before the ATP Tour and WTA Tour begin the new season in late December.

The Hawaii Open features three rounds of single-elimination matches played over three days in a best two-out-of-three set format. Third sets are played as a tie-break with the first to 10 points declared the winner.

History

The Hawaii Open tournament began as a WTA 125 event in 2016. During the first two years, the tournament was held at the Patsy T. Mink Central Oahu Regional Park during Thanksgiving week in late November.

2018 Hawaii Open

In 2018, the tournament added a men's draw and became a men's and women's invitational tournament over three days, December 21, 22, and 23. It featured six men and six women and moved to the Blaisdell Arena in Honolulu. The tournament also featured a pro–am at Kailua Racquet Club and a Players Party held at the Prince Waikiki.

Men's entrants

Kei Nishikori (JPN)
Milos Raonic (CAN)
Ryan Harrison (USA)
Christian Harrison (USA)
Andre Ilagan (USA)
Phuc Huynh (USA)
Mackenzie McDonald (USA)^[i]

^ McDonald participated in the Hawaii Open Pro Am and other special events. He withdrew from match play due to injury.

Women's entrants

2019 Hawaii Open

The 2019 Hawaii Open presented by Ward Village and Hawaii Tourism was held December 26, December 27, and December 28, in Honolulu, at the Stan Sheriff Center. The tournament featured five men and five women and moved to the Stan Sheriff Center in Honolulu. The tournament also featured a pro–am at the Four Seasons Tennis Centre and a Players Party held at Ward Village.

Men's singles

Entrants

Draw

Quarterfinals				Semifinals					Final

1	Taylor Fritz

	bye
				1	Taylor Fritz	6⁴	4

					Brandon Nakashima	7⁷	6
Christian Harrison		0	1

Brandon Nakashima		6	6
									Brandon Nakashima		4	7⁹	11

									Sam Querrey		6	6⁷	13
Sam Querrey

bye
					Sam Querrey	4	6	10	Third Place Match

				2	Jordan Thompson	6	3	1
	bye								1	Taylor Fritz	–	–

2	Jordan Thompson								2	Jordan Thompson	–	–

^ Jordan Thompson replaced Kei Nishikori

Women's singles

Entrants

Angelique Kerber (GER)
Danielle Collins (USA)^[a]
Misaki Doi (JPN)
Yanina Wickmayer (BEL)
Alyssa Tobita (USA)

Draw

Quarterfinals				Semifinals				Final

1	Danielle Collins

	bye
				1	Danielle Collins	6	6

					Yanina Wickmayer	3	4
Alyssa Tobita		1	1

Yanina Wickmayer		6	6
								1	Danielle Collins	w/o

								2	Angelique Kerber
Misaki Doi

bye
					Misaki Doi	1	6²	Third Place Match

				2	Angelique Kerber	6	7⁷
	bye

2	Angelique Kerber

^ Danielle Collins replaced Maria Sharapova

Mixed doubles

A mixed doubles match was added to replace the women's singles final due to player withdrawal.

Christian Harrison / Danielle Collins def. Sam Querrey / Yanina Wickmayer, 6–4, 6–7^(6–8), [10–6]

Past finals

WTA 125 events

Singles

Year	Champion	Runner-up	Score
2016	Catherine Bellis	Zhang Shuai	6–4, 6–2
2017	Zhang Shuai	Jang Su-jeong	0–6, 6–2, 6–3

Doubles

Year	Champions	Runners-up	Score
2016	Eri Hozumi Miyu Kato	Nicole Gibbs Asia Muhammad	6–7^(3–7), 6–3, [10–8]
2017	Hsieh Shu-ying Hsieh Su-wei	Eri Hozumi Asia Muhammad	6–1, 7–6^(7–3)