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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kcc7 draw
5 Kcd8 draw
6 Kdc7 draw
7 Kdd8 draw
8 Ke7 draw
9 Ke8 draw
10 Rh1 draw
11 Rh5 draw
12 Rh8 draw
13 Kc6 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh4 loss in 2 half-moves