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 Kc3 win in 3 half-moves
3 Rb1 win in 3 half-moves
4 Rb3 win in 3 half-moves
5 Rb4 win in 3 half-moves
6 Kb3 win in 5 half-moves
7 Kd3 win in 5 half-moves
8 Kb1 draw
9 Kc1 draw
10 Kd1 draw
11 Kd2 draw
12 Rb7 draw
13 Ra2 loss in 4 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves