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

EGTB: win in 4 half-moves

# move score
1 Rh5 win in 3 half-moves
2 Kc6 win in 5 half-moves
3 Rh3 win in 9 half-moves
4 Rh8 win in 11 half-moves
5 Kb8 draw
6 Kc8 draw
7 Kd8 draw
8 Rg7 draw
9 Rh6 draw
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh4 loss in 2 half-moves