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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Kc6 draw
4 Kc7 draw
5 Kd8 draw
6 Kdd7 draw
7 Kde7 draw
8 Ke6 draw
9 Ked7 draw
10 Kee7 draw
11 Kf7 draw
12 Kf8 draw
13 Ra6 draw
14 Rb4 draw
15 Rb8 draw
16 Kc5 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rc6 loss in 2 half-moves