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 Rb7 win in 1 half-moves
3 Rb8 win in 1 half-moves
4 Kc2 draw
5 Kd7 draw
6 Kd8 draw
7 Ke7 draw
8 Kf7 draw
9 Kf8 draw
10 Ra1 draw
11 Rb2 draw
12 Rb5 draw
13 Rb6 draw
14 Kb2 loss in 2 half-moves
15 Kd1 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Rb4 loss in 1 half-moves