Player data updated: 2026-09-01 02:16 UTC

Lori Kosten

USA WTA Tour years active: 1980–1983

Lori Kosten represented the United States on the WTA Tour. In TennisDB's records, Lori Kosten finished with a career record of 1–5 and no singles titles. Weekly WTA ranking coverage before 1984 is incomplete outside audited No. 1 and year-end Top 10 anchors.

Peak ranking

—

Elo peak

1500 (5th percentile)

Career record

1–5 (16.7%)

Career titles

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

Jump to section

WTA Matches full match log →

Lori Kosten's recent, live, and scheduled WTA matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Nancy Yeargin	1-6 0-6	L	H2H	Match data	Mar 3, 1983*	R32	Nashville	WTA 250	Hard
Bonnie Gadusek	3-6 3-6	L	H2H	Match data	Jul 13, 1980*	R16	Sioux City	WTA 250	Hard
Helen Park	2-6 6-7	L	H2H	Match data	Jul 4, 1980*	R16	St. Joseph	WTA 250	Hard
Cathy Fink	6-2 6-0	W	H2H	Match data	Jul 3, 1980*	R32	St. Joseph	WTA 250	Hard
Sonoe Yonezawa	6-7 3-6	L	H2H	Match data	Jun 26, 1980*	R32	Rockwall	WTA 250	—

Rivals all rivalries →

Lori Kosten's most-played WTA rivals
Opponent	W	L	M	Last Played	H2H
Nancy Yeargin	0	1	1	Mar 3, 1983	H2H
Bonnie Gadusek	0	1	1	Jul 13, 1980	H2H
Helen Park	0	1	1	Jul 4, 1980	H2H
Cathy Fink	1	0	1	Jul 3, 1980	H2H
Sonoe Yonezawa	0	1	1	Jun 26, 1980	H2H

Career Results

Lori Kosten career results by season
Season	W	L	M	Win %	Start Rank	End Rank
1980	1	4	5	20.0%	—	—
1983	0	1	1	0.0%	—	—
Career	1	5	6	16.7%	—	—

Career Results by Surface

Lori Kosten career results by season and surface
Season	Hard				Clay				Grass				Total
Season	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
1980	1	2	3	33.3%	—	—	—	—	—	—	—	—	1	4	5	20.0%
1983	0	1	1	0.0%	—	—	—	—	—	—	—	—	0	1	1	0.0%
Career	1	3	4	25.0%	—	—	—	—	—	—	—	—	1	5	6	16.7%

Advanced Stats

Lori Kosten advanced statistics by season
Season	Elo	P+	Serve+	Return+	PD	TPW%	Hard Elo	Clay Elo	Grass Elo	Set Win %	Set Margin	Dec. Set	Tiebreak	Pressure+	Schedule
1980	1473	100.3	—	—	—	—	+70	—	—	20.0%	-1.20	—	0–2	—	+0.11
1983	1463	90.6	—	—	—	—	—	—	—	0.0%	-5.50	—	—	—	+0.02
Career	1500	96.2	—	—	—	—	+70	—	—	16.7%	-1.92	—	0–2	—	+2.17

Tournament Results by Category

WTA 250

Lori Kosten WTA 250 results by season
Season	MON	NAS	ROC	SIO	ST.	W-L Win %
1980	R32	—	R32	R16	R16	1–4 (20%)
1983	—	R32	—	—	—	0–1 (0%)
W-L	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	1–1 (50%)	1–5 (17%)

Results show the best round reached per tournament and season.

WTA Ranking History full ranking history →

Career high

—

Career-high date

—

First Top 100

—

First Top 50

—

First Top 20

—

First Top 10

—

Ranking History Matrix

No ranking history available.

Data coverage: Weekly WTA ranking snapshots are unavailable before 1984. Audited official No. 1 change dates and year-end Top 10 ranks are included, but weekly counts and ranks outside those anchors remain incomplete.

Frequently Asked Questions

Which country does Lori Kosten represent?: Lori Kosten represents United States in TennisDB's WTA records.
How many Grand Slams has Lori Kosten won?: Lori Kosten has not won a Grand Slam title.
How many WTA 1000 titles has Lori Kosten won?: TennisDB does not group any of Lori Kosten's titles under the modern WTA 1000 category.
What is Lori Kosten's career win-loss record?: Lori Kosten has a career WTA singles record of 1 wins and 5 losses (16.7%).
Which seasons of Lori Kosten's career appear in TennisDB?: Lori Kosten appears in TennisDB's WTA main-tour match records from 1980 through 1983.
Who has Lori Kosten faced most often?: Lori Kosten's most frequent opponent is Nancy Yeargin, with a head-to-head record of 0–1 across 1 meeting.