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

EGTB: win in 2 half-moves

# move score
1 a3 win in 1 half-moves
2 Kd3 win in 1 half-moves
3 Kd4 win in 1 half-moves
4 Kf3 win in 1 half-moves
5 Rf6 win in 1 half-moves
6 Kd5 loss in 2 half-moves
7 Kf4 loss in 2 half-moves
8 Kf5 loss in 2 half-moves
9 Ra6 loss in 2 half-moves
10 Rb6 loss in 2 half-moves
11 Rc6 loss in 2 half-moves
12 Rd6 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Ke3 loss in 1 half-moves
17 Ke5 loss in 1 half-moves
18 Re5 loss in 1 half-moves
19 Rh6 loss in 1 half-moves