With the help of his tennis coach Robert Carlbo , Jeffrey has won .
With the help of his tennis coach Robert Carlbo , Jeffrey been a finalist in six tournaments , the most recent being the U.S. Open Wheelchair Championships in St. Louis last month .
With the help of his tennis coach Robert Carlbo , Jeffrey has won or been a finalist in six tournaments , the most recent being the U.S. Open Wheelchair Championships in St. Louis last month .