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 Rb1 win in 1 half-moves
3 Rb2 win in 1 half-moves
4 Rb6 win in 1 half-moves
5 Rb7 win in 1 half-moves
6 Rb8 win in 1 half-moves
7 Kd6 loss in 1 half-moves
8 Kd7 loss in 1 half-moves
9 Kd8 loss in 1 half-moves
10 Ke6 loss in 1 half-moves
11 Ke8 loss in 1 half-moves
12 Kf6 loss in 1 half-moves
13 Kf7 loss in 1 half-moves
14 Kf8 loss in 1 half-moves
15 Rb3 loss in 1 half-moves
16 Rb5 loss in 1 half-moves
17 Rc4 loss in 1 half-moves
18 Rd4 loss in 1 half-moves
19 Re4 loss in 1 half-moves
20 Rf4 loss in 1 half-moves
21 Rg4 loss in 1 half-moves
22 Rh4 loss in 1 half-moves