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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Rd8 draw
3 Kaa5 loss in 2 half-moves
4 Kaa7 loss in 2 half-moves
5 Kab5 loss in 2 half-moves
6 Kab7 loss in 2 half-moves
7 Kba5 loss in 2 half-moves
8 Kba7 loss in 2 half-moves
9 Kbb5 loss in 2 half-moves
10 Kbb7 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves