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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kd2 win in 3 half-moves
3 Rb2 win in 3 half-moves
4 Rb3 win in 3 half-moves
5 Ka3 win in 5 half-moves
6 Kc2 win in 5 half-moves
7 Kcb2 win in 5 half-moves
8 Kd1 win in 5 half-moves
9 Kb3 win in 23 half-moves
10 Ka1 draw
11 Kab2 draw
12 Ra1 draw
13 Rb4 draw
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves