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

EGTB: win in 4 half-moves

# move score
1 Kh7 win in 3 half-moves
2 Rc8 win in 3 half-moves
3 Re8 win in 3 half-moves
4 Rd8 win in 9 half-moves
5 Rb8 win in 11 half-moves
6 Ra8 draw
7 Rf8 draw
8 Kc6 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Kg6 loss in 2 half-moves
17 Kg7 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh7 loss in 2 half-moves
20 Kg5 loss in 1 half-moves
21 Kh5 loss in 1 half-moves