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 K5d6 win in 3 half-moves
3 Kb4 win in 3 half-moves
4 Rb1 win in 3 half-moves
5 Rb5 win in 3 half-moves
6 Ra6 win in 9 half-moves
7 K5b5 draw
8 K6d6 draw
9 Kc4 draw
10 K5d5 loss in 2 half-moves
11 K6b5 loss in 2 half-moves
12 K6d5 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb7 loss in 2 half-moves