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

EGTB: win in 18 half-moves

# move score
1 Rb1 win in 17 half-moves
2 Kc4 draw
3 Kd1 draw
4 Kd2 draw
5 Ke2 draw
6 Ke4 draw
7 Kf1 draw
8 Kf2 draw
9 Ra4 draw
10 Rc4 draw
11 Kc3 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rb8 loss in 2 half-moves