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

EGTB: win in 2 half-moves

# move score
1 Kc7 win in 1 half-moves
2 Rb2 win in 1 half-moves
3 Rb3 win in 1 half-moves
4 Rb4 win in 1 half-moves
5 Kc8 draw
6 Rc8 draw
7 Ka7 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Rb1 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