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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka8 win in 3 half-moves
3 Kbc8 win in 3 half-moves
4 Kc6 win in 3 half-moves
5 Kcc8 win in 3 half-moves
6 Kd6 win in 3 half-moves
7 Kd7 win in 3 half-moves
8 Kd8 win in 3 half-moves
9 Rb5 win in 3 half-moves
10 Rb6 win in 3 half-moves
11 Ka7 draw
12 Kb6 draw
13 Ra7 draw
14 Rb3 draw
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves