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

EGTB: win in 8 half-moves

# move score
1 Kb7 win in 7 half-moves
2 Kb8 win in 7 half-moves
3 Kd8 win in 7 half-moves
4 Rb8 win in 7 half-moves
5 Ka7 draw
6 Kf7 draw
7 Kf8 draw
8 Rc5 draw
9 Rd8 draw
10 Kd7 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves