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

EGTB: win in 2 half-moves

# move score
1 Kb3 win in 1 half-moves
2 Kf4 win in 1 half-moves
3 Kf6 win in 1 half-moves
4 Ra8 win in 1 half-moves
5 Kb4 loss in 2 half-moves
6 Kb5 loss in 2 half-moves
7 Kg4 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kh4 loss in 2 half-moves
10 Kh5 loss in 2 half-moves
11 Kh6 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Ka3 loss in 1 half-moves
19 Kf5 loss in 1 half-moves
20 Rf5 loss in 1 half-moves