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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Ka5 win in 5 half-moves
3 Kb5 win in 7 half-moves
4 Ka3 draw
5 Kb3 draw
6 Kb4 draw
7 Kc6 draw
8 Ra6 draw
9 Rc6 draw
10 Kc5 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rb8 loss in 2 half-moves