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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Ka2 win in 7 half-moves
3 Ka3 win in 7 half-moves
4 Ka4 win in 7 half-moves
5 Kb2 win in 7 half-moves
6 Kbc4 win in 7 half-moves
7 Kc2 win in 7 half-moves
8 Kc3 win in 7 half-moves
9 Ra5 win in 7 half-moves
10 Kb6 draw
11 Kbb4 draw
12 Kc6 draw
13 Kcb4 draw
14 Kcc4 draw
15 Kd4 draw
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves