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 Kb6 win in 1 half-moves
3 Kb7 win in 1 half-moves
4 Kc5 win in 1 half-moves
5 Kc7 win in 1 half-moves
6 Kd5 win in 1 half-moves
7 Kd6 win in 1 half-moves
8 Kd7 win in 1 half-moves
9 Rb2 win in 1 half-moves
10 Rb3 win in 1 half-moves
11 Rb5 win in 1 half-moves
12 Rb6 win in 1 half-moves
13 Rb7 win in 1 half-moves
14 Rb8 win in 1 half-moves
15 Rc1 win in 1 half-moves
16 Rd1 win in 1 half-moves
17 Re1 win in 1 half-moves
18 Rg1 win in 1 half-moves
19 Rh1 win in 1 half-moves
20 Kb5 loss in 1 half-moves
21 Ra1 loss in 1 half-moves
22 Rb4 loss in 1 half-moves
23 Rf1 loss in 1 half-moves