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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kc8 draw
5 Kd2 draw
6 Ke1 draw
7 Ke2 draw
8 Rb1 draw
9 Rb2 draw
10 Rb3 draw
11 Rb4 draw
12 Rb5 draw
13 Rc8 draw
14 Kc7 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves