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 Kh5 win in 3 half-moves
7 Rh5 win in 5 half-moves
8 K2g3 draw
9 K2h3 draw
10 K4g3 draw
11 K4h3 draw
12 Ra7 draw
13 Re7 draw
14 Rg7 draw
15 Rh6 draw
16 Rh8 draw
17 Rb7 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves