Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Kb5 draw
3 Kc5 draw
4 Kd4 draw
5 Kd5 draw
6 Re4 draw
7 Rf6 draw
8 Rf7 draw
9 Rf8 draw
10 Rg4 draw
11 Rh4 draw
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves