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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Kg4 win in 7 half-moves
3 K2g2 draw
4 K2g3 draw
5 K3g2 draw
6 K3g3 draw
7 Kg1 draw
8 Kh1 draw
9 Kh4 draw
10 Ra7 draw
11 Re7 draw
12 Rf7 draw
13 Rg7 draw
14 Rh5 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