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

EGTB: win in 4 half-moves

# move score
1 Ka4 win in 3 half-moves
2 Ka5 win in 3 half-moves
3 Ra5 win in 3 half-moves
4 Kc3 win in 9 half-moves
5 Kbc4 draw
6 Kbc5 draw
7 Kdc5 draw
8 Rb6 draw
9 Rc5 draw
10 Ka3 loss in 6 half-moves
11 Kb3 loss in 6 half-moves
12 Kc6 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kdc4 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves