JM
🇺🇸
JaJuan Mercur
USA
Class of 2026 · Born Melbourne, FL · Apr 11 ·
★1-Star
STR
43.1
current (projection)
StrikePrediction · favourite to commit:
Alcorn State
35%
3 offers
Rankings
| Recruiting board (consensus) | #631 |
| Florida | #35 |
| Ranking points (431 pts · 27 events) | #457 |
| STR | 43.1 |
| Junior STR (singles) | 42.8 |
| Doubles STR (results-based) | 42.0 |
Junior Results
DATETOURNAMENT
LEVELRESULT
Wk 1
Livorno Championships
National
Quarterfinalist
Wk 2
Guarulhos Open
Major
R32
Wk 4
Saint-Étienne International
Premier
R32
Wk 5
Houston Open
Premier
R32
Wk 6
Sisak International
Premier
R32
Wk 8
Mumbai Open
National
R32
Wk 9
Miami Open
National
R32
Wk 10
Querétaro Championships
National
R16
Wk 12
Saint John Classic
National
Quarterfinalist
Wk 13
Dalian Classic
National
R16
Wk 14
Posadas Championships
National
Finalist
Wk 16
Cannes Open
National
R16
Wk 17
Brest Championships
National
R32
Wk 18
Whitby Championships
National
R32
Wk 20
Dordrecht Classic
National
R32
Wk 21
Terrassa Championships
National
R32
Wk 22
Glasgow Classic
National
Semifinalist
Wk 24
Juiz de Fora Open
National
Quarterfinalist
Wk 25
Brasília Classic
National
R32
Wk 26
Zagreb Championships
National
R32
Wk 28
Wakayama Classic
National
Semifinalist
Wk 29
Bengaluru Open
National
R32
Wk 30
Saanich Classic
National
R32
Wk 32
San Miguel de Tucumán Championships
National
R16
Wk 33
Užice Championships
National
Finalist
Wk 34
Cannes Classic
National
Quarterfinalist
Wk 36
Čačak Classic
National
R16
Junior Doubles
DATETOURNAMENT
LEVELPARTNERRESULT
Wk 1
Livorno Championships
National
Tyrell Mitoma
Semifinalist
Wk 2
Guarulhos Open
Major
Eemeli Väisänen
Semifinalist
Wk 6
Sisak International
Premier
Omni Lukus
Quarterfinalist
Wk 8
Mumbai Open
National
Davion Shurtleff
Quarterfinalist
Wk 10
Querétaro Championships
National
Landyn Inamoto
Semifinalist
Wk 14
Posadas Championships
National
Kris Rose
Semifinalist
Wk 18
Whitby Championships
National
Bernard Carter
Finalist
Wk 21
Terrassa Championships
National
Zach Reda
Semifinalist
Wk 22
Glasgow Classic
National
Jabari Goldman
Quarterfinalist
Wk 24
Juiz de Fora Open
National
Stanislav Kučera
Quarterfinalist
Wk 25
Brasília Classic
National
Raul Perez
Champion
Wk 29
Bengaluru Open
National
Frances Mowatt
Quarterfinalist
Wk 30
Saanich Classic
National
Gabriel Barnett
Finalist
Wk 32
San Miguel de Tucumán Championships
National
Pramod Etta
Champion
Wk 33
Užice Championships
National
Wilkin Duran
Semifinalist
Wk 36
Čačak Classic
National
Henryk Zieliński
Quarterfinalist
Junior Match Record
DATETOURNAMENT
W/LOPPONENTSCORE
Wk 1
Livorno Championships Round of 32
W
Norbert Teodorczyk
3-6 7-6 10-5
Wk 1
Livorno Championships Round of 16
W
Esteban Bonmatí
6-3 7-5
Wk 1
Livorno Championships Quarterfinals
L
Víctor Raya
2-6 6-3 6-10
Wk 2
Guarulhos Open Round of 32
L
Mattia Sirigu
2-6 3-6
Wk 4
Saint-Étienne International Round of 32
L
Kelly Prather
3-6 1-6
Wk 5
Houston Open Round of 32
L
Destyn Dowdy
1-6 4-6
Wk 6
Sisak International Round of 32
L
Gerard Pimpton
2-6 3-6
Wk 8
Mumbai Open Round of 32
L
Cannon Scofield
5-7 1-6
Wk 9
Miami Open Round of 32
L
Pranav Melichar-Martinez
5-7 3-6
Wk 10
Querétaro Championships Round of 32
W
Steve Duncan
6-4 6-1
Wk 10
Querétaro Championships Round of 16
L
Wesley Nantze
0-6 6-7
Wk 12
Saint John Classic Round of 32
W
Angelo Zambrotta
6-4 6-4
Wk 12
Saint John Classic Round of 16
W
Kalvin Wubben-Moy
6-3 6-3
Wk 12
Saint John Classic Quarterfinals
L
Grzegorz Świderski
3-6 4-6
Wk 13
Dalian Classic Round of 32
W
Emil Jepsen
6-3 6-1
Wk 13
Dalian Classic Round of 16
L
Keona Dwight
3-6 4-6
Wk 14
Posadas Championships Round of 32
W
Deiby Mills
3-6 6-4 10-6
Wk 14
Posadas Championships Round of 16
W
Kristian Battistone
6-1 6-4
Wk 14
Posadas Championships Quarterfinals
W
Dick DellaPeruta
6-4 3-6 10-2
Wk 14
Posadas Championships Semifinals
W
Chase Swanson
6-4 1-6 10-2
Wk 14
Posadas Championships Final
L
Bernard Carter
1-6 6-3 5-10
Wk 16
Cannes Open Round of 32
W
Iacopo Lombardi
6-3 1-6 10-6
Wk 16
Cannes Open Round of 16
L
Chase Swanson
1-6 4-6
Wk 17
Brest Championships Round of 32
L
Erik Golwas
3-6 7-6 10-12
Wk 18
Whitby Championships Round of 32
L
Seymour Tomek
3-6 3-6
Wk 20
Dordrecht Classic Round of 32
L
Damon Lee-Waters
1-6 2-6
Wk 21
Terrassa Championships Round of 32
L
Shaq Dunham
5-7 6-7
Wk 22
Glasgow Classic Round of 32
W
Raúl Carmona
6-4 5-7 10-8
Wk 22
Glasgow Classic Round of 16
W
Keith Detisch
6-3 6-4
Wk 22
Glasgow Classic Quarterfinals
W
Dan Houghton
6-3 6-3
Wk 22
Glasgow Classic Semifinals
L
Tavierre Catsavis
1-6 4-6
Wk 24
Juiz de Fora Open Round of 32
W
Greg Doman
3-6 7-6 11-9
Wk 24
Juiz de Fora Open Round of 16
W
Dan Houghton
7-6 7-6
Wk 24
Juiz de Fora Open Quarterfinals
L
Hugh Kirchheimer
3-6 7-5 7-10
Wk 25
Brasília Classic Round of 32
L
Ryan Orr
6-7 4-6
Wk 26
Zagreb Championships Round of 32
L
Ben Grizzlies
6-7 5-7
Wk 28
Wakayama Classic Round of 32
W
Francesco Flores
6-1 6-3
Wk 28
Wakayama Classic Round of 16
W
Raúl Carmona
7-6 6-4
Wk 28
Wakayama Classic Quarterfinals
W
Pramod Etta
6-3 6-3
Wk 28
Wakayama Classic Semifinals
L
Russell Notaro
6-3 6-7 11-13
Wk 29
Bengaluru Open Round of 32
L
Gabriel Barnett
4-6 6-2 7-10
Wk 30
Saanich Classic Round of 32
L
Greg Doman
3-6 6-3 5-10
Wk 32
San Miguel de Tucumán Championships Round of 32
W
Kaleb Konrardy
7-5 4-6 11-9
Wk 32
San Miguel de Tucumán Championships Round of 16
L
Ari Farkes
5-7 4-6
Wk 33
Užice Championships Round of 32
W
Kobe Kuykendall
6-4 6-1
Wk 33
Užice Championships Round of 16
W
Zach Reda
4-6 7-5 10-7
Wk 33
Užice Championships Quarterfinals
W
Pramod Etta
7-6 6-4
Wk 33
Užice Championships Semifinals
W
Mario Ritzenberg
6-3 2-6 10-6
Wk 33
Užice Championships Final
L
Ismael Nieto
3-6 6-3 6-10
Wk 34
Cannes Classic Round of 32
W
Pasi Karppinen
2-6 7-6 10-8
Wk 34
Cannes Classic Round of 16
W
Amrinder Kohli
7-6 7-6
Wk 34
Cannes Classic Quarterfinals
L
Pavel Čech
2-6 5-7
Wk 36
Čačak Classic Round of 32
W
Donny Claiborne
6-1 6-4
Wk 36
Čačak Classic Round of 16
L
Grzegorz Świderski
1-6 6-3 10-12
College List
SCHOOLOFFERINTEREST
SCHOL.STRIKEPRED.STATUS
Alcorn State
✓
Hot
¼
35%
Finalist
Bethune-Cookman
✓
Hot
¼
33%
Finalist
Tennessee Tech
✓
Hot
¼
32%
Finalist
Dreamsheet
Stanford
Virginia
North Carolina
Scouting
| Shared service (consensus) | 47.5 |
| Your department | 54.8 |
| 4-year projection | 44.0 |
Ranking History
| DATE | NATIONAL | STATE | STR |
| Early 2026 | #325 | #28 | 42.6 |
| Mid 2026 | #332 | #29 | 42.5 |
| Late 2026 | #336 | #28 | 42.4 |
| Final 2026 | #322 | #28 | 42.7 |
Attributes
| Serve Power | 42 | |
| Serve Accuracy | 46 | |
| Return | 51 | |
| Forehand | 51 | |
| Backhand | 40 | |
| Consistency | 44 | |
| Net Play | 47 | |
| Speed | 49 | |
| Stamina | 53 | |
| Composure | 40 | |
| Clutch | 53 |
Recruiting
| Intended major | Public Policy |
| Junior tier | Regional / State Elite |
| Origin | Domestic |
| Commitment | Uncommitted |
Recruiting Timeline
| Received interest from Bethune-Cookman | early_contact Wk 2 |
| Received interest from Tennessee Tech | early_contact Wk 3 |
| Received interest from Alcorn State | early_contact Wk 4 |
| Offered by Alcorn State | offers Wk 8 |
| Offered by Tennessee Tech | offers Wk 8 |
| Offered by Bethune-Cookman | offers Wk 10 |
| Official visit to Bethune-Cookman | visits Wk 16 |
| Official visit to Alcorn State | visits Wk 19 |