Lucie was a successful Junior player with her highest ranking: World number 8 (October 2002).
| Winner Single Title | W/F | Tournament |
|---|---|---|
| 2001 | Winner | 4th Junior Porad-Tatry Cup (SVK) |
| 2001 | Winner | Szeged Cup International Junior Tournament(HUN) |
| 2001 | Winner | Leciva Czech Junior Open (CZE) |
| 2002 | Winner | Hong Kong Open Junior Championships (CHN) |
| 2002 | Finalist | Int. Junior Championships of Venezuela |
| 2002 | Finalist | Pony Malta Cup Colombia |
| 2002 | Finalist | Int. Bavarian Junior Challenge (GER) |
| 2002 | Finalist | Mobilux Junior Open, 6th Int. Luxembourg Indoor Junior Championships (LUX) |
Additional 5 ITF Junior Double titles
