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 Ka7 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Kb8 win in 3 half-moves
5 Kc5 win in 3 half-moves
6 Kc6 win in 3 half-moves
7 Kc7 win in 3 half-moves
8 Kd7 win in 3 half-moves
9 Ke6 win in 3 half-moves
10 Ke7 win in 3 half-moves
11 Ra6 win in 3 half-moves
12 Rb5 win in 3 half-moves
13 Rb7 win in 3 half-moves
14 Rb8 win in 3 half-moves
15 Rc6 win in 3 half-moves
16 Kd5 draw
17 Ke5 draw
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves