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

EGTB: win in 4 half-moves

# move score
1 Kg1 win in 3 half-moves
2 Kg2 win in 3 half-moves
3 Kg4 win in 3 half-moves
4 Kg5 win in 3 half-moves
5 Kh1 win in 3 half-moves
6 K2g3 draw
7 K2h3 draw
8 K4g3 draw
9 K4h3 draw
10 Kh5 draw
11 Rc8 draw
12 Rd8 draw
13 Re8 draw
14 Rf8 draw
15 Rg8 draw
16 Ra8 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rh5 loss in 2 half-moves
19 Rh6 loss in 2 half-moves
20 Rh7 loss in 2 half-moves