| Thomas Haldin | |
| Country: |  Sweden |
| Birth Date: | 1965 7, df=yes |
| Birth Place: | Jönköping, Sweden |
| Turnedpro: | 1987 |
| Plays: | Right-handed |
| Careerprizemoney: | $57,174 |
| Singlesrecord: | 2–11 |
| Singlestitles: | 0 |
| Highestsinglesranking: | No. 138 (24 Jul 1989) |
| Wimbledonresult: | Q1 (1990) |
| Doublesrecord: | 0–1 |
| Doublestitles: | 0 |
| Highestdoublesranking: | No. 699 (10 Sep 1990) |
Thomas Haldin (born 11 July 1965) is a former professional tennis player from Sweden.[1]
Haldin made his ATP singles main draw debut at the 1987 Swedish Open as a qualifier, losing in the second round to world number 3 and second seed Stefan Edberg.
The Swede played mostly on the Challenger tour level and reached two finals.
Haldin has a career high ATP singles ranking of 138 achieved on 24 July 1989.[2]
| Result | No. | Year | Tournament | Surface | Opponent | Score |
|---|---|---|---|---|---|---|
| Loss | 1. | 1988 | Parioli Challenger, Parioli, Italy | Clay |  Massimo Cierro | 1–6, 1–6 |
| Loss | 2. | 1988 | Cascais Challenger, Cascais, Portugal | Carpet |  Eduardo Masso | 1–4 RET |