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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Rc8 win in 3 half-moves
4 Rb8 win in 5 half-moves
5 Kc5 win in 15 half-moves
6 Kc7 win in 17 half-moves
7 Ka3 draw
8 Ka5 draw
9 Kb3 draw
10 Kc6 draw
11 Kd5 draw
12 Kd7 draw
13 Ra6 draw
14 Rd8 draw
15 Ke5 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh8 loss in 2 half-moves