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 Kg3 win in 1 half-moves
3 Kg4 win in 1 half-moves
4 Kg5 win in 1 half-moves
5 Kh3 win in 1 half-moves
6 Kh5 win in 1 half-moves
7 Rb8 win in 1 half-moves
8 Rc8 win in 1 half-moves
9 Rd8 win in 1 half-moves
10 Re8 win in 1 half-moves
11 Rf8 win in 1 half-moves
12 Rg1 win in 1 half-moves
13 Rg3 win in 1 half-moves
14 Rg5 win in 1 half-moves
15 Rg6 win in 1 half-moves
16 Rg7 win in 1 half-moves
17 Rh8 win in 1 half-moves
18 Ra8 loss in 1 half-moves
19 Rg2 loss in 1 half-moves
20 Rg4 loss in 1 half-moves