Player data updated: 2026-10-17 16:37 UTC

Katherine Sebov

CAN Age 27 173 cm / 5'8" Plays: Right-Handed WTA Tour years active: 2021–2026

Katherine Sebov represents Canada on the WTA Tour and is ranked No. 228, having reached a career high of No. 136. TennisDB's records show a singles record of 4–9 and no singles titles.

Singles ranking

228

Career singles high

136 (Apr 10, 2023)

Elo peak

1621 (42nd percentile)

Singles record

4–9 (30.8%)

Singles titles

Prize money

$715,269

YTD W-L

1–2

Records cover recorded main-draw singles results in TennisDB's WTA event archive, including credited walkovers; qualifying is shown separately below.

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WTA Matches full match log → Last 3: 1–2

Katherine Sebov's recent, live, and scheduled WTA matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Julia Avdeeva #185	6-7(5) 1-6	L	H2H	Match data	Aug 25, 2026	Q1 Q	US Open	Grand Slam	Hard
Marta Kostyuk #11	6-7(4) 0-6	L	H2H	Match data	Aug 4, 2026	R64	Canadian Open	WTA 1000	Hard
Aoi Ito #235	6-3 6-4	W	H2H	Match data	Aug 2, 2026	R128	Canadian Open	WTA 1000	Hard
Elvina Kalieva #132	1-6 6-7(3)	L	H2H	Match data	Jul 28, 2026	R32	Memphis Classic	WTA 250	Hard
Aran Teixido Garcia #365	6-1 7-5	W	H2H	Match data	Jul 26, 2026	Q2 Q	Memphis Classic	WTA 250	Hard

Qualifying matches are shown here but excluded from main-draw summaries and leaderboards.

Rivals all rivalries →

Katherine Sebov's most-played WTA rivals
Opponent	W	L	M	Last Played	H2H
Marta Kostyuk	0	2	2	Aug 4, 2026	H2H
Aoi Ito	1	0	1	Aug 2, 2026	H2H
Elvina Kalieva	0	1	1	Jul 28, 2026	H2H
Katie Volynets	0	1	1	Mar 31, 2025	H2H
Belinda Bencic	0	1	1	Apr 6, 2023	H2H

Career Results

Katherine Sebov career results by season
Season	Age	Type	W	L	M	Win %	Start Rank	End Rank
2019	20	Qualifying Q	0	1	1	0.0%	—	—
2021	22	Qualifying Q	1	2	3	33.3%	—	—
2021	22	WTA	0	1	1	0.0%	273	347
2022	23	WTA	1	2	3	33.3%	351	221
2023	24	Qualifying Q	4	3	7	57.1%	—	—
2023	24	WTA	2	3	5	40.0%	195	145
2024	25	Qualifying Q	1	3	4	25.0%	—	—
2025	26	Qualifying Q	2	1	3	66.7%	—	—
2025	26	WTA	0	1	1	0.0%	367	248
2026	27	Qualifying Q	5	4	9	55.6%	—	—
2026	27	WTA	1	2	3	33.3%	239	228
Career		—	4	9	13	30.8%	—	—

Career Results by Surface

Katherine Sebov career results by season and surface
Season	Age	Type	Hard				Clay				Grass				Total
Season	Age	Type	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
2019	20	Qualifying Q	0	1	1	0.0%	—	—	—	—	—	—	—	—	0	1	1	0.0%
2021	22	Qualifying Q	0	1	1	0.0%	1	1	2	50.0%	—	—	—	—	1	2	3	33.3%
2021	22	WTA	0	1	1	0.0%	—	—	—	—	—	—	—	—	0	1	1	0.0%
2022	23	WTA	1	2	3	33.3%	—	—	—	—	—	—	—	—	1	2	3	33.3%
2023	24	Qualifying Q	2	2	4	50.0%	2	1	3	66.7%	—	—	—	—	4	3	7	57.1%
2023	24	WTA	1	2	3	33.3%	1	1	2	50.0%	—	—	—	—	2	3	5	40.0%
2024	25	Qualifying Q	1	2	3	33.3%	0	1	1	0.0%	—	—	—	—	1	3	4	25.0%
2025	26	Qualifying Q	0	1	1	0.0%	2	0	2	100.0%	—	—	—	—	2	1	3	66.7%
2025	26	WTA	—	—	—	—	0	1	1	0.0%	—	—	—	—	0	1	1	0.0%
2026	27	Qualifying Q	3	2	5	60.0%	0	1	1	0.0%	2	1	3	66.7%	5	4	9	55.6%
2026	27	WTA	1	2	3	33.3%	—	—	—	—	—	—	—	—	1	2	3	33.3%
Career	—	—	3	7	10	30.0%	1	2	3	33.3%	—	—	—	—	4	9	13	30.8%

Career Results by Opponent Rank

Katherine Sebov career results by season and opponent rank
Season	Age	1-10				11-30				31-100				100+				Total
Season	Age	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
2021	22	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
2022	23	0	0	—	—	0	0	—	—	1	2	3	33.3%	0	0	—	—	1	2	3	33.3%
2023	24	0	2	2	0.0%	0	1	1	0.0%	2	0	2	100.0%	0	0	—	—	2	3	5	40.0%
2025	26	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
2026	27	0	0	—	—	0	1	1	0.0%	0	0	—	—	1	1	2	50.0%	1	2	3	33.3%
Career		0	2	2	0.0%	0	2	2	0.0%	3	4	7	42.9%	1	1	2	50.0%	4	9	13	30.8%

Performance Stats

Katherine Sebov performance statistics by season
Season	Age	Sample	Aces/M	DFs/M	1st Sv%	1st Sv Pts%	2nd Sv Pts%	BP Saved%	BP Conv%	Svc Pts%	Ret Pts%
2021	22	1/1	1.0	1.0	72.2%	48.7%	26.7%	58.3%	16.7%	42.6%	35.7%
2022	23	3/3	0.0	5.3	78.4%	56.0%	33.9%	56.1%	33.3%	51.4%	36.8%
2023	24	5/5	0.6	2.2	79.4%	52.4%	40.4%	39.1%	41.7%	50.0%	33.4%
2025	26	1/1	0.0	1.0	62.5%	25.0%	16.7%	33.3%	—	21.9%	19.4%
2026	27	3/3	0.0	4.0	69.5%	53.9%	41.3%	42.3%	50.0%	50.1%	39.3%
Career		13/13	0.3	3.2	75.0%	51.2%	36.2%	44.8%	36.5%	47.6%	34.6%

Advanced Stats

Katherine Sebov advanced statistics by season
Season	Age	Elo	P+	Serve+	Return+	PD	TPW%	Hard Elo	Clay Elo	Grass Elo	Set Win %	Set Margin	Dec. Set	Tiebreak	Pressure+	Schedule
2017	18	1499	—	—	—	—	—	—	—	—	—	—	—	—	—	—
2018	19	1511	—	—	—	—	—	—	—	—	—	—	—	—	—	—
2019	20	1497	99.8	—	—	—	—	—	—	—	—	—	—	—	—	—
2020	21	1460	—	—	—	—	—	—	—	—	—	—	—	—	—	—
2021	22	1454	97.6	-0.78	-1.54	0.622	39.1%	—	—	—	0.0%	-4.50	—	—	—	-0.11
2022	23	1518	106.3	-1.51	-1.66	0.757	44.7%	+30	—	—	37.5%	-1.12	1–1	—	—	+0.02
2023	24	1598	113.4	-2.12	-1.26	0.668	42.4%	-6	—	—	33.3%	-1.25	2–0	—	—	-0.57
2024	25	1524	99.0	—	—	—	—	—	—	—	—	—	—	—	—	—
2025	26	1501	100.3	-1.18	-5.18	0.248	20.6%	—	—	—	0.0%	-6.00	—	—	—	-0.04
2026	27	1505	112.0	-1.88	-1.59	0.788	45.6%	+23	—	—	33.3%	-1.33	—	0–2	—	+0.11
Career		1621	110.3	-1.75	-1.75	0.661	41.7%	+16	—	—	30.0%	-1.76	3–1 (75%)	0–2	—	-4.54

Tournament Results by Category

Grand Slams

Katherine Sebov Grand Slams results by season
Season	Age	AO	RG	W	USO	W-L Win %
2023	24	R128	—	—	—	0–1 (0%)
2024	25	Q2	—	—	—	1–1 (50%)
2026	27	—	Q1	Q3	Q1	2–3 (40%)
W-L		1–2 (33%)	0–1 (0%)	2–1 (67%)	0–1 (0%)	3–5 (38%)

WTA 1000

Katherine Sebov WTA 1000 results by season
Season	Age	MIA	ITA	CAN	W-L Win %
2021	22	—	—	Q1	0–1 (0%)
2022	23	—	—	R64	0–1 (0%)
2023	24	R64	Q1	Q1	3–3 (50%)
2024	25	—	—	Q1	0–1 (0%)
2025	26	—	—	Q1	0–1 (0%)
2026	27	—	—	R64	1–1 (50%)
W-L		3–1 (75%)	0–1 (0%)	1–6 (14%)	4–8 (33%)

WTA 500

Katherine Sebov WTA 500 results by season
Season	Age	CHA	W-L Win %
2021	22	Q2	1–1 (50%)
2023	24	R32	3–1 (75%)
2024	25	Q1	0–1 (0%)
2025	26	R64	2–1 (67%)
W-L		6–4 (60%)	6–4 (60%)

WTA 250

Katherine Sebov WTA 250 results by season
Season	Age	ASB	CHI	GRA	MEM	OST	W-L Win %
2019	20	Q1	—	—	—	—	0–1 (0%)
2021	22	—	R32	—	—	—	0–1 (0%)
2022	23	—	—	R16	—	—	1–1 (50%)
2023	24	Q1	—	—	—	—	0–1 (0%)
2026	27	—	—	—	R32	Q2	3–2 (60%)
W-L		0–2 (0%)	0–1 (0%)	1–1 (50%)	2–1 (67%)	1–1 (50%)	4–6 (40%)

Results show the best round reached per tournament and season.

WTA Ranking History full ranking history →

Current rank

228

Career high

136

Career-high date

Apr 10, 2023

First Top 100

—

First Top 50

—

First Top 20

—

First Top 10

—

Ranking History Matrix

Katherine Sebov ranking history by month and season
Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	16	—	—	1033	1021	1034	1054	1037	872	845	848	889	892
2016	17	888	893	894	878	813	749	737	785	800	657	567	554
2017	18	442	316	294	282	283	281	246	248	245	258	273	—
2018	19	277	318	315	288	291	261	286	291	272	217	204	202
2019	20	200	209	218	239	248	243	199	200	204	192	256	260
2020	21	254	269	267	—	—	—	—	257	268	271	272	273
2021	22	280	265	261	254	257	286	313	315	328	337	345	347
2022	23	321	315	325	331	321	303	298	281	280	229	224	221
2023	24	192	195	172	139	141	157	144	151	155	141	141	145
2024	25	161	160	178	250	252	222	284	284	288	324	362	356
2025	26	337	325	332	285	287	302	296	291	266	275	268	248
2026	27	239	253	230	224	231	244	231	214	223	228	—	—

Similar Players

Other WTA players with comparable peak level, era, career record, and career scale.

Katherine Sebov's most statistically similar WTA players
Player	Country	Peak ranking	Peak Elo	M	W	L	Win %	Prize money	Years	Rivalries	Match log
Arianne Hartono (active player)	NED	#135	1,627	24	7	17	29.2%	$922,806	2021–2025	Rivalries	Match log
Susan Bandecchi (active player)	SUI	#137	1,627	7	2	5	28.6%	$742,501	2021–2026	Rivalries	Match log
Yuriko Lily Miyazaki (active player)	GBR	#132	1,576	12	4	8	33.3%	$915,696	2022–2024	Rivalries	Match log
Despina Papamichail (active player)	GRE	#143	1,585	17	5	12	29.4%	$1,080,492	2021–2026	Rivalries	Match log
Sofia Costoulas (active player)	BEL	#134	1,617	7	2	5	28.6%	$454,986	2026–2026	Rivalries	Match log
Carol Young Suh Lee (active player)	USA	#136	1,652	4	1	3	25.0%	$374,867	2026–2026	Rivalries	Match log
Celine Naef (active player)	SUI	#121	1,613	9	3	6	33.3%	$656,893	2023–2024	Rivalries	Match log
Tyra Caterina Grant (active player)	ITA	#141	1,678	8	3	5	37.5%	$492,156	2025–2026	Rivalries	Match log
Linda Klimovicova (active player)	POL	#129	1,620	3	1	2	33.3%	$544,319	2026–2026	Rivalries	Match log
En-Shuo Liang (active player)	TPE	#150	1,631	15	4	11	26.7%	$965,631	2018–2026	Rivalries	Match log
Ena Shibahara (active player)	JPN	#116	1,623	17	5	12	29.4%	$2,610,949	2021–2025	Rivalries	Match log
Iryna Shymanovich (active player)	BLR	#153	1,613	17	6	11	35.3%	$1,141,622	2022–2026	Rivalries	Match log

Frequently Asked Questions

How old is Katherine Sebov?: Katherine Sebov is 27 years old, born on January 5, 1999.
Which country does Katherine Sebov represent?: Katherine Sebov represents Canada in TennisDB's WTA records.
How tall is Katherine Sebov?: Katherine Sebov is 173 cm / 5'8".
Is Katherine Sebov left-handed or right-handed?: Katherine Sebov plays right-handed.
How many Grand Slam singles titles has Katherine Sebov won?: Katherine Sebov has not won a Grand Slam singles title.
How many WTA 1000 titles has Katherine Sebov won?: TennisDB does not group any of Katherine Sebov's titles under the modern WTA 1000 category.
What is Katherine Sebov's highest WTA ranking?: Katherine Sebov's career-high WTA singles ranking is world No. 136, first achieved on April 10, 2023.
What is Katherine Sebov's career win-loss record?: Katherine Sebov has a career WTA singles record of 4 wins and 9 losses (30.8%).
How much career prize money has Katherine Sebov earned?: Katherine Sebov has earned at least $715,269 in career prize money from professional tennis.
Which seasons of Katherine Sebov's career appear in TennisDB?: Katherine Sebov appears in TennisDB's WTA main-tour match records from 2021 through 2026.
Who has Katherine Sebov faced most often?: Katherine Sebov's most frequent opponent is Marta Kostyuk, with a head-to-head record of 0–2 across 2 meetings.