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

EGTB: win in 4 half-moves

# move score
1 Kg3 win in 3 half-moves
2 Rh7 win in 5 half-moves
3 Rg7 win in 11 half-moves
4 Kd5 draw
5 Kd6 draw
6 Kd7 draw
7 Ke5 draw
8 Kf5 draw
9 Kf6 draw
10 Kf7 draw
11 Kg1 draw
12 Kg2 draw
13 Kh1 draw
14 Kh3 draw
15 Rc7 draw
16 Rd7 draw
17 Re8 draw
18 Rf7 draw
19 Ra7 loss in 2 half-moves
20 Rb7 loss in 2 half-moves