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 Ke5 win in 1 half-moves
3 Kf6 win in 1 half-moves
4 Re3 win in 1 half-moves
5 Re5 win in 1 half-moves
6 Re6 win in 1 half-moves
7 Re7 win in 1 half-moves
8 Re8 win in 1 half-moves
9 Ke6 loss in 1 half-moves
10 Kf4 loss in 1 half-moves
11 Kg4 loss in 1 half-moves
12 Kg5 loss in 1 half-moves
13 Kg6 loss in 1 half-moves
14 Rb4 loss in 1 half-moves
15 Rc4 loss in 1 half-moves
16 Rd4 loss in 1 half-moves
17 Re1 loss in 1 half-moves
18 Re2 loss in 1 half-moves
19 Rf4 loss in 1 half-moves
20 Rg4 loss in 1 half-moves
21 Rh4 loss in 1 half-moves