Player data updated: 2026-10-08 02:16 UTC

Nicolai Budkov Kjaer

NOR Age 20 191 cm / 6'3" Plays: Right-Handed ATP Tour years active: 2025–2026

Nicolai Budkov Kjaer represents Norway on the ATP Tour and is ranked No. 152, having reached a career high of No. 118. TennisDB's records show a singles record of 3–7 and no singles titles.

Singles ranking

152

Career singles high

118 (Jul 13, 2026)

Elo peak

1626 (38th percentile)

Singles record

3–7 (30.0%)

Singles titles

Prize money

$746,543

YTD W-L

2–4

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

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ATP Matches full match log →

Nicolai Budkov Kjaer's recent, live, and scheduled ATP matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Christopher O'Connell #105	5-7 4-6	L	H2H	Match data	Aug 26, 2026	Q2 Q	US Open	Grand Slam	Hard
Maks Kasnikowski #253	7-6(2) 4-6 6-4	W	H2H	Match data	Aug 25, 2026	Q1 Q	US Open	Grand Slam	Hard
Kyrian Jacquet #119	5-7 4-6	L	H2H	Match data	Aug 12, 2026	Q2 Q	Cincinnati Open	Masters 1000	Hard
Hugo Gaston #97	6-2 3-6 6-4	W	H2H	Match data	Aug 11, 2026	Q1 Q	Cincinnati Open	Masters 1000	Hard
Sho Shimabukuro #94	3-6 4-6	L	H2H	Match data	Aug 1, 2026	Q1 Q	Canadian Open	Masters 1000	Hard

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

Rivals all rivalries →

Nicolai Budkov Kjaer's most-played ATP rivals
Opponent	W	L	M	Last Played	H2H
Reilly Opelka	1	1	2	Apr 23, 2026	H2H
Andrea Pellegrino	0	1	1	Jul 14, 2026	H2H
Daniil Medvedev	0	1	1	Apr 27, 2026	H2H
Denis Shapovalov	1	0	1	Apr 25, 2026	H2H
Jaume Munar	0	1	1	Feb 9, 2026	H2H

Career Results

Nicolai Budkov Kjaer career results by season
Season	Age	Type	W	L	M	Win %	Start Rank	End Rank
2025	18	Qualifying Q	4	4	8	50.0%	—	—
2025	18	ATP	1	3	4	25.0%	518	136
2026	19	Qualifying Q	12	9	21	57.1%	—	—
2026	19	ATP	2	4	6	33.3%	135	152
Career		—	3	7	10	30.0%	—	—

Career Results by Surface

Nicolai Budkov Kjaer 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 %
2025	18	Qualifying Q	1	2	3	33.3%	2	1	3	66.7%	1	1	2	50.0%	4	4	8	50.0%
2025	18	ATP	0	2	2	0.0%	1	1	2	50.0%	—	—	—	—	1	3	4	25.0%
2026	19	Qualifying Q	5	3	8	62.5%	5	5	10	50.0%	2	1	3	66.7%	12	9	21	57.1%
2026	19	ATP	0	2	2	0.0%	2	2	4	50.0%	—	—	—	—	2	4	6	33.3%
Career	—	—	0	4	4	0.0%	3	3	6	50.0%	—	—	—	—	3	7	10	30.0%

Career Results by Opponent Rank

Nicolai Budkov Kjaer 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 %
2025	18	0	0	—	—	0	0	—	—	0	3	3	0.0%	1	0	1	100.0%	1	3	4	25.0%
2026	19	0	1	1	0.0%	0	0	—	—	2	2	4	50.0%	0	1	1	0.0%	2	4	6	33.3%
Career		0	1	1	0.0%	0	0	—	—	2	5	7	28.6%	1	1	2	50.0%	3	7	10	30.0%

Performance Stats

Nicolai Budkov Kjaer 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%
2025	18	4/4	3.8	3.3	60.0%	68.8%	48.0%	53.3%	33.0%	60.0%	30.8%
2026	19	6/6	2.2	1.3	65.7%	66.3%	48.5%	17.8%	41.7%	61.7%	34.7%
Career		10/10	2.8	2.1	63.4%	67.3%	48.3%	32.0%	38.2%	61.0%	33.1%

Advanced Stats

Nicolai Budkov Kjaer 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
2025	18	1518	110.9	-1.63	-2.72	0.769	46.3%	—	—	—	30.0%	-1.20	1–1	1–0	—	+0.04
2026	19	1580	115.3	-1.26	+1.33	0.904	48.5%	—	+33	—	18.2%	-1.82	—	—	—	-0.25
Career		1626	113.6	-1.41	-0.29	0.849	47.6%	—	+33	—	23.8%	-1.52	1–1	1–0	—	-2.10

Tournament Results by Category

Grand Slams

Nicolai Budkov Kjaer Grand Slams results by season
Season	Age	AO	RG	W	USO	W-L Win %
2025	18	—	—	Q2	—	1–1 (50%)
2026	19	R128	Q2	Q3	Q2	7–4 (64%)
W-L		3–1 (75%)	1–1 (50%)	3–2 (60%)	1–1 (50%)	8–5 (62%)

Masters 1000

Nicolai Budkov Kjaer Masters 1000 results by season
Season	Age	CAN	CIN	MAD	MC	ITA	W-L Win %
2025	18	—	—	—	Q1	—	0–1 (0%)
2026	19	Q1	Q2	R32	Q1	Q2	6–5 (55%)
W-L		0–1 (0%)	1–1 (50%)	4–1 (80%)	0–2 (0%)	1–1 (50%)	6–6 (50%)

ATP 500

Nicolai Budkov Kjaer ATP 500 results by season
Season	Age	BAR	ROT	VIE	W-L Win %
2025	18	—	—	R32	0–1 (0%)
2026	19	Q1	R32	—	0–2 (0%)
W-L		0–1 (0%)	0–1 (0%)	0–1 (0%)	0–3 (0%)

ATP 250

Nicolai Budkov Kjaer ATP 250 results by season
Season	Age	SWE	CDU	MET	MRK	STO	W-L Win %
2025	18	R16	Q2	Q1	—	R32	4–4 (50%)
2026	19	R32	—	—	Q2	—	1–2 (33%)
W-L		3–2 (60%)	1–1 (50%)	0–1 (0%)	1–1 (50%)	0–1 (0%)	5–6 (45%)

Results show the best round reached per tournament and season.

ATP Ranking History full ranking history →

Current rank

152

Career high

118

Career-high date

Jul 13, 2026

First Top 100

—

First Top 50

—

First Top 20

—

First Top 10

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Ranking History Matrix

Nicolai Budkov Kjaer ranking history by month and season
Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2025	18	506	297	287	305	319	303	187	158	149	134	133	136
2026	19	135	154	141	140	121	121	144	149	154	152	—	—

Similar Players

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

Nicolai Budkov Kjaer's most statistically similar ATP players
Player	Country	Peak ranking	Peak Elo	M	W	L	Win %	Prize money	Years	Rivalries	Match log
Gustavo Heide (active player)	BRA	#116	1,599	10	3	7	30.0%	$716,395	2024–2026	Rivalries	Match log
Pablo Llamas Ruiz (active player)	ESP	#116	1,685	9	3	6	33.3%	$1,100,913	2025–2026	Rivalries	Match log
Henrique Rocha (active player)	POR	#106	1,645	10	3	7	30.0%	$1,020,709	2023–2026	Rivalries	Match log
Colton Smith (active player)	USA	#133	1,620	10	3	7	30.0%	$620,214	2025–2026	Rivalries	Match log
Rei Sakamoto (active player)	JPN	#133	1,668	10	3	7	30.0%	$492,140	2025–2026	Rivalries	Match log
Federico Agustin Gomez (active player)	ARG	#133	1,604	10	3	7	30.0%	$814,000	2024–2026	Rivalries	Match log
Nicolas Mejia (active player)	COL	#115	1,601	8	2	6	25.0%	$810,088	2021–2026	Rivalries	Match log
Elmer Moller (active player)	DEN	#102	1,605	13	4	9	30.8%	$777,787	2025–2026	Rivalries	Match log
Marc Polmans (active player)	AUS	#116	1,607	24	6	18	25.0%	$2,298,638	2017–2026	Rivalries	Match log
Timofey Skatov (active player)	KAZ	#123	1,655	17	4	13	23.5%	$1,219,104	2020–2026	Rivalries	Match log
Ugo Blanchet (active player)	FRA	#139	1,663	13	4	9	30.8%	$1,032,908	2024–2026	Rivalries	Match log
Dane Sweeny (active player)	AUS	#109	1,669	14	5	9	35.7%	$1,306,380	2021–2026	Rivalries	Match log

Frequently Asked Questions

How old is Nicolai Budkov Kjaer?: Nicolai Budkov Kjaer is 20 years old, born on September 1, 2006.
Which country does Nicolai Budkov Kjaer represent?: Nicolai Budkov Kjaer represents Norway in TennisDB's ATP records.
How tall is Nicolai Budkov Kjaer?: Nicolai Budkov Kjaer is 191 cm / 6'3".
Is Nicolai Budkov Kjaer left-handed or right-handed?: Nicolai Budkov Kjaer plays right-handed.
How many Grand Slam singles titles has Nicolai Budkov Kjaer won?: Nicolai Budkov Kjaer has not won a Grand Slam singles title.
How many Masters 1000 titles has Nicolai Budkov Kjaer won?: TennisDB does not group any of Nicolai Budkov Kjaer's titles under the modern Masters 1000 category.
What is Nicolai Budkov Kjaer's highest ATP ranking?: Nicolai Budkov Kjaer's career-high ATP singles ranking is world No. 118, first achieved on July 13, 2026.
What is Nicolai Budkov Kjaer's career win-loss record?: Nicolai Budkov Kjaer has a career ATP singles record of 3 wins and 7 losses (30.0%).
How much career prize money has Nicolai Budkov Kjaer earned?: Nicolai Budkov Kjaer has earned at least $746,543 in career prize money from professional tennis.
Which seasons of Nicolai Budkov Kjaer's career appear in TennisDB?: Nicolai Budkov Kjaer appears in TennisDB's ATP main-tour match records from 2025 through 2026.
Who has Nicolai Budkov Kjaer faced most often?: Nicolai Budkov Kjaer's most frequent opponent is Reilly Opelka, with a head-to-head record of 1–1 across 2 meetings.