Player: Costello, James
NC Saturday Men's Doubles: 4.0 & Under
North Shore Racquet Club
| Date | Opponent | Court | Result | Set 1 | Set 2 | Set 3 |
| 9/16/2017 | River Trails Tennis Center (1) | Line 5 | Lost | 4 - 6 | 0 - 6 | 1 - 6 |
| 10/28/2017 | Glenbrook Racquet Club | Line 3 | Won | 6 - 0 | 6 - 0 | 6 - 0 |
| 12/2/2017 | Libertyville Club, The | Line 3 | Lost | 4 - 6 | 2 - 6 | 1 - 6 |
| 12/16/2017 | College Park Athletic Club East (2) | Line 4 | Won | 5 - 7 | 2 - 6 | 1 - 6 |
| 1/6/2018 | College Park Athletic Club East (1) | Line 3 | Lost | 6 - 2 | 7 - 5 | 6 - 1 |
| 1/20/2018 | River Trails Tennis Center (2) | Line 3 | Won | 3 - 6 | 4 - 6 | 1 - 6 |
| 3/3/2018 | College Park Athletic Club East (1) | Line 3 | Lost | 3 - 6 | 2 - 6 | 0 - 6 |
| 3/17/2018 | Midtown Athletic Club - Palatine | Line 4 | Won | 78 - 66 | 6 - 4 | 2 - 4 |
| 4/14/2018 | Glenbrook Racquet Club | Line 2 | Lost | 6 - 1 | 6 - 1 | 6 - 1 |
Win/Loss/Tie Record: 4-5-0
Player: Costello, James
Boys High School League: Boys High School
North Shore Racquet Club
No matches played.
Player: Costello, James
NC Sunday Men's Singles: 4.5
North Shore Racquet Club
| Date | Opponent | Court | Result | Set 1 | Set 2 | Set 3 |
| 12/3/2017 | Glenbrook Racquet Club | Line 4 | Lost | 4 - 6 | 1 - 6 | - |
| 2/18/2018 | Lincolnshire Club, The | Line 3 | Lost | 6 - 1 | 6 - 0 | - |
Win/Loss/Tie Record: 0-2-0
Player: Costello, James
NC Sunday Men's Singles: 4.0
North Shore Racquet Club
| Date | Opponent | Court | Result | Set 1 | Set 2 | Set 3 |
| 9/24/2017 | Libertyville Club, The (1) | Line 4 | Lost | 3 - 6 | 2 - 6 | - |
| 11/5/2017 | College Park Athletic Club East | Line 4 | Won | 0 - 6 | 1 - 6 | - |
| 11/19/2017 | Five Seasons Sports Club | Line 4 | Won | 6 - 0 | 6 - 0 | - |
| 1/14/2018 | Midtown Athletic Club - Palatine | Line 4 | Won | 2 - 6 | 2 - 6 | - |
| 2/25/2018 | Five Seasons Sports Club | Line 3 | Won | 1 - 6 | 2 - 6 | - |
| 3/11/2018 | Libertyville Club, The (1) | Line 4 | Lost | 0 - 6 | 3 - 6 | - |
| 4/22/2018 | Libertyville Club, The (2) | Line 3 | Lost | 77 - 64 | 4 - 1 | - |
| 4/29/2018 | Libertyville Club, The (1) | Line 4 | Lost | 6 - 0 | 6 - 1 | - |
Win/Loss/Tie Record: 4-4-0