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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 K6d6 win in 3 half-moves
3 K6d7 win in 3 half-moves
4 K7d7 win in 3 half-moves
5 Kd5 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 Kb5 win in 5 half-moves
12 Kc5 win in 5 half-moves
13 Ra7 win in 5 half-moves
14 K6b6 draw
15 K7b6 loss in 2 half-moves
16 K7d6 loss in 2 half-moves
17 Kb8 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Rb8 loss in 2 half-moves