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

EGTB: win in 4 half-moves

# move score
1 Kd8 win in 3 half-moves
2 Kf7 draw
3 Kf8 draw
4 Ra8 draw
5 Rb8 draw
6 Rc1 draw
7 Rd8 draw
8 Kd7 loss in 2 half-moves
9 Ke7 loss in 2 half-moves
10 Rc2 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rc5 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Rc7 loss in 2 half-moves