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 Kcb6 win in 3 half-moves
4 Kd4 win in 3 half-moves
5 Kd5 win in 3 half-moves
6 Kd6 win in 3 half-moves
7 Ra8 win in 3 half-moves
8 Rd8 win in 3 half-moves
9 Ka7 win in 5 half-moves
10 Ka8 win in 5 half-moves
11 Kb8 win in 5 half-moves
12 Kc4 win in 5 half-moves
13 Kc7 win in 5 half-moves
14 Rb8 win in 5 half-moves
15 Re8 win in 5 half-moves
16 Rf8 win in 5 half-moves
17 Ka6 draw
18 Kbb6 draw
19 Kbc6 draw
20 Kcc6 draw
21 Rc7 draw
22 Rc6 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves