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 Kd5 win in 1 half-moves
5 Ke5 win in 1 half-moves
6 Rb1 loss in 2 half-moves
7 Rb2 loss in 2 half-moves
8 Rb5 loss in 2 half-moves
9 Rb6 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Ke3 loss in 1 half-moves
15 Kf3 loss in 1 half-moves
16 Kf4 loss in 1 half-moves
17 Kf5 loss in 1 half-moves
18 Rb3 loss in 1 half-moves