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

EGTB: win in 4 half-moves

# move score
1 Kd7 win in 3 half-moves
2 Kd8 win in 3 half-moves
3 Rd8 win in 3 half-moves
4 Kee7 win in 11 half-moves
5 Kef7 draw
6 Kfe7 draw
7 Kff7 draw
8 Kg7 draw
9 Kg8 draw
10 Rc2 draw
11 Rc7 draw
12 Ra8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rc6 loss in 2 half-moves