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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb7 win in 3 half-moves
3 Kc7 win in 5 half-moves
4 Ke7 win in 5 half-moves
5 Ked7 win in 5 half-moves
6 Kb7 draw
7 Kcd7 draw
8 Kcd8 draw
9 Ked8 draw
10 Kf7 draw
11 Kf8 draw
12 Ra8 draw
13 Rb1 draw
14 Rb6 draw
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves