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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb3 win in 3 half-moves
3 Rb5 win in 3 half-moves
4 Kc1 win in 7 half-moves
5 Kc2 win in 7 half-moves
6 Kc3 win in 7 half-moves
7 Rb2 win in 15 half-moves
8 Kb5 draw
9 Kb7 draw
10 Kc5 draw
11 Kc7 draw
12 Kd1 draw
13 Kd3 draw
14 Kd5 draw
15 Ke1 draw
16 Ke2 draw
17 Ke3 draw
18 Ra6 draw
19 Rb4 draw
20 Kd6 loss in 2 half-moves
21 Kd7 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rb8 loss in 2 half-moves