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 Ra8 win in 1 half-moves
3 Rb8 win in 1 half-moves
4 Rc8 win in 1 half-moves
5 Re8 win in 1 half-moves
6 Rg1 win in 1 half-moves
7 Rg2 win in 1 half-moves
8 Rg4 win in 1 half-moves
9 Kg2 loss in 2 half-moves
10 Kg3 loss in 2 half-moves
11 Kg4 loss in 2 half-moves
12 Kh2 loss in 1 half-moves
13 Kh4 loss in 1 half-moves
14 Rd8 loss in 1 half-moves
15 Rf8 loss in 1 half-moves
16 Rg3 loss in 1 half-moves
17 Rg5 loss in 1 half-moves
18 Rg6 loss in 1 half-moves
19 Rg7 loss in 1 half-moves
20 Rh8 loss in 1 half-moves