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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Rb6 win in 1 half-moves
3 Kc7 win in 3 half-moves
4 Kb1 draw
5 Kb2 draw
6 Kb7 draw
7 Kc2 draw
8 Kd1 draw
9 Kd2 draw
10 Kd7 draw
11 Kd8 draw
12 Rb1 draw
13 Rb2 draw
14 Rb7 draw
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves