Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 a3 win in 3 half-moves
2 Ke4 draw
3 Ke5 draw
4 Kg4 draw
5 Kg5 draw
6 Rf4 draw
7 Rg4 draw
8 Rh1 draw
9 Rh2 draw
10 Rh3 draw
11 Rh5 draw
12 Ke6 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kg6 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rh6 loss in 2 half-moves
20 Rh7 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Kf4 loss in 1 half-moves