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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Kd7 win in 3 half-moves
5 Rb7 win in 3 half-moves
6 Rb8 win in 5 half-moves
7 Ra6 win in 9 half-moves
8 Kb8 draw
9 Kd8 draw
10 Rb5 draw
11 Rh6 draw
12 Ka3 loss in 2 half-moves
13 Ka4 loss in 2 half-moves
14 Ka5 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rd6 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg6 loss in 2 half-moves