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 Kd1 draw
3 Kd2 draw
4 Kg1 draw
5 Kg2 draw
6 Kh2 draw
7 Ra1 draw
8 Rb8 draw
9 Kb2 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves