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 K7d6 win in 3 half-moves
5 Kc8 win in 3 half-moves
6 Kd5 win in 3 half-moves
7 Kd8 win in 3 half-moves
8 Rb1 win in 3 half-moves
9 Rb2 win in 3 half-moves
10 Rb6 win in 3 half-moves
11 Rb8 win in 3 half-moves
12 Kb5 win in 5 half-moves
13 Kc5 win in 5 half-moves
14 K6b6 draw
15 K7b6 draw
16 K7d7 draw
17 Kb8 draw
18 Ra7 draw
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves