DC
🇺🇸
Donni Chastain
USA
Class of 2026 · Born Mitchell, SD · Mar 9 ·
★1-Star
STR
36.6
current (projection)
StrikePrediction · favourite to commit:
Washington University in St. Louis
36%
3 offers
Rankings
| Recruiting board (consensus) | #667 |
| South Dakota | #5 |
| Ranking points (49 pts · 28 events) | #979 |
| STR | 36.6 |
| Junior STR (singles) | 36.2 |
| Doubles STR (results-based) | 37.6 |
Junior Badges
STATETop 10
STATETop 25
Junior Results
DATETOURNAMENT
LEVELRESULT
Wk 1
Kruševac Cup
State
Quarterfinalist
Wk 3
Kragujevac Challenger
Developmental
R32
Wk 4
Biarritz Open
Developmental
R32
Wk 5
Hamburg Open
Developmental
R32
Wk 6
Campo Grande Open
Developmental
R32
Wk 8
Užice Classic
State
R16
Wk 9
Rimini Cup
State
R32
Wk 10
Dubrovnik Cup
State
R16
Wk 12
Manaus Open
State
R32
Wk 13
Regensburg Cup
State
R32
Wk 14
Hradec Králové Open
State
R32
Wk 15
Shenyang Open
State
R32
Wk 17
Obregón Classic
State
R32
Wk 18
Dallas Cup
State
R16
Wk 19
St. Louis Cup
State
Semifinalist
Wk 21
Livorno Invitational
State
R16
Wk 22
Markham Invitational
State
R32
Wk 23
Campinas Classic
State
R16
Wk 24
Split Invitational
State
R16
Wk 26
San Miguel de Tucumán Classic
State
R16
Wk 27
Trois-Rivières Cup
State
Quarterfinalist
Wk 28
Saskatoon Cup
State
R16
Wk 30
Phoenix Cup
State
R32
Wk 31
Amsterdam Cup
State
R32
Wk 32
Delhi Open
State
R16
Wk 33
Leiden Open
State
R16
Wk 35
Hoofddorp Invitational
State
Semifinalist
Wk 36
Kragujevac Cup
State
R32
Junior Doubles
DATETOURNAMENT
LEVELPARTNERRESULT
Wk 14
Hradec Králové Open
State
Sito Ginzo
Champion
Wk 21
Livorno Invitational
State
Augusto Barros
Finalist
Wk 24
Split Invitational
State
Fabien Upamecano
Semifinalist
Junior Match Record
DATETOURNAMENT
W/LOPPONENTSCORE
Wk 1
Kruševac Cup Round of 32
W
Elishah Qiao
4-6 6-3 10-5
Wk 1
Kruševac Cup Round of 16
W
George Dangerfield
7-5 5-7 10-8
Wk 1
Kruševac Cup Quarterfinals
L
Franklin Guberinich
3-6 4-6
Wk 3
Kragujevac Challenger Round of 32
L
Jalen Nussmeier
1-6 0-6
Wk 4
Biarritz Open Round of 32
L
Per Werner
0-6 0-6
Wk 5
Hamburg Open Round of 32
L
Reggie McClendon
6-4 1-6 3-10
Wk 6
Campo Grande Open Round of 32
L
Destyn Bohane
1-6 3-6
Wk 8
Užice Classic Round of 32
W
Giacomo Bianco
6-3 6-2
Wk 8
Užice Classic Round of 16
L
Kolby Harvie
2-6 3-6
Wk 9
Rimini Cup Round of 32
L
Boriša Lučić
0-6 2-6
Wk 10
Dubrovnik Cup Round of 32
W
Amareon Klare
6-4 3-6 10-2
Wk 10
Dubrovnik Cup Round of 16
L
Sebastián Berizzo
3-6 2-6
Wk 12
Manaus Open Round of 32
L
Mihailo Luković
2-6 3-6
Wk 13
Regensburg Cup Round of 32
L
Damion Hawk
2-6 3-6
Wk 14
Hradec Králové Open Round of 32
L
Bruno Boulahrouz
6-4 6-7 7-10
Wk 15
Shenyang Open Round of 32
L
Tre Denman
4-6 3-6
Wk 17
Obregón Classic Round of 32
L
Roberto Clarkson
6-7 2-6
Wk 18
Dallas Cup Round of 32
W
Oren Fegans
7-5 6-4
Wk 18
Dallas Cup Round of 16
L
Lenny Hills
4-6 7-5 12-14
Wk 19
St. Louis Cup Round of 32
W
Bruno Huisman
6-4 4-6 10-5
Wk 19
St. Louis Cup Round of 16
W
Kaheem Mothudi
7-6 7-5
Wk 19
St. Louis Cup Quarterfinals
W
Oren Fegans
6-2 6-0
Wk 19
St. Louis Cup Semifinals
L
Yáser Cubero
3-6 1-6
Wk 21
Livorno Invitational Round of 32
W
Ye-jun Song
6-0 6-2
Wk 21
Livorno Invitational Round of 16
L
Todd Hollar
6-3 4-6 7-10
Wk 22
Markham Invitational Round of 32
L
Emil Bowers
4-6 6-7
Wk 23
Campinas Classic Round of 32
W
Gustavo Decas
6-4 6-2
Wk 23
Campinas Classic Round of 16
L
Elishah Qiao
3-6 6-4 2-10
Wk 24
Split Invitational Round of 32
W
Wilmer Armero
6-0 6-2
Wk 24
Split Invitational Round of 16
L
Keegan Mattek-Sands
6-4 1-6 6-10
Wk 26
San Miguel de Tucumán Classic Round of 32
W
Lorenzo Gomez
6-4 1-6 12-10
Wk 26
San Miguel de Tucumán Classic Round of 16
L
Marc Albicy
5-7 7-5 3-10
Wk 27
Trois-Rivières Cup Round of 32
W
Matt Iwasaki
3-6 6-4 10-8
Wk 27
Trois-Rivières Cup Round of 16
W
Raphaël Sagna
6-7 6-4 10-5
Wk 27
Trois-Rivières Cup Quarterfinals
L
Jakob Rainey-Sale
1-6 6-7
Wk 28
Saskatoon Cup Round of 32
W
Mantle Stephens
6-3 7-6
Wk 28
Saskatoon Cup Round of 16
L
Gerhard Koehler
1-6 5-7
Wk 30
Phoenix Cup Round of 32
L
Lorenzo Gomez
6-7 6-3 10-12
Wk 31
Amsterdam Cup Round of 32
L
Travis Hahnemann
4-6 2-6
Wk 32
Delhi Open Round of 32
W
Akash Venkatesan
6-3 6-3
Wk 32
Delhi Open Round of 16
L
Nitin Verma
6-7 4-6
Wk 33
Leiden Open Round of 32
W
Strong Tippmann
6-3 6-4
Wk 33
Leiden Open Round of 16
L
Remington Schnack
3-6 5-7
Wk 35
Hoofddorp Invitational Round of 32
W
Lance Benzschawel
6-2 5-7 10-6
Wk 35
Hoofddorp Invitational Round of 16
W
Kaheem Mothudi
6-4 6-1
Wk 35
Hoofddorp Invitational Quarterfinals
W
Allan Berry-Johnson
7-6 6-7 12-10
Wk 35
Hoofddorp Invitational Semifinals
L
Andy Kuramochi
5-7 6-4 7-10
Wk 36
Kragujevac Cup Round of 32
L
Allen Santrock
2-6 4-6
College List
SCHOOLOFFERINTEREST
SCHOL.STRIKEPRED.STATUS
Washington University in St. Louis
✓
Hot
⅙
36%
Finalist
Chicago
✓
Hot
⅙
33%
Finalist
Monmouth (IL)
✓
Hot
⅙
31%
Finalist
Dreamsheet
Stanford
Virginia
North Carolina
Scouting
| Shared service (consensus) | 56.6 |
| Your department | 46.6 |
| 4-year projection | 39.7 |
Ranking History
| DATE | NATIONAL | STATE | STR |
| Early 2026 | #608 | #8 | 35.8 |
| Mid 2026 | #620 | #8 | 35.6 |
| Late 2026 | #590 | #8 | 36.4 |
| Final 2026 | #603 | #8 | 36.1 |
Attributes
| Serve Power | 31 | |
| Serve Accuracy | 33 | |
| Return | 31 | |
| Forehand | 29 | |
| Backhand | 30 | |
| Consistency | 34 | |
| Net Play | 37 | |
| Speed | 37 | |
| Stamina | 30 | |
| Composure | 36 | |
| Clutch | 36 |
Recruiting
| Intended major | Chemical Engineering |
| Junior tier | Local Competitive |
| Origin | Domestic |
| Commitment | Uncommitted |
Recruiting Timeline
| Received interest from Chicago | early_contact Wk 2 |
| Received interest from Washington University in St. Louis | early_contact Wk 3 |
| Received interest from Monmouth (IL) | early_contact Wk 4 |
| Offered by Chicago | offers Wk 8 |
| Offered by Washington University in St. Louis | offers Wk 15 |
| Offered by Monmouth (IL) | offers Wk 15 |
| Official visit to Chicago | visits Wk 16 |
| Official visit to Washington University in St. Louis | visits Wk 18 |