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 Rb3 win in 1 half-moves
3 Kc6 win in 3 half-moves
4 Kc8 win in 3 half-moves
5 Ked8 win in 3 half-moves
6 Rb1 win in 3 half-moves
7 Rb2 win in 3 half-moves
8 Rb4 win in 3 half-moves
9 Rb5 win in 3 half-moves
10 Rb6 win in 3 half-moves
11 Rb7 win in 3 half-moves
12 Kb7 win in 5 half-moves
13 Kcd7 win in 5 half-moves
14 Kcd8 win in 5 half-moves
15 Rc8 win in 5 half-moves
16 Kd6 win in 7 half-moves
17 Kb6 draw
18 Rd8 draw
19 Ke7 loss in 2 half-moves
20 Ked7 loss in 2 half-moves
21 Kf7 loss in 2 half-moves
22 Kf8 loss in 2 half-moves