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

EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 K1g2 draw
3 K1h2 draw
4 K3g2 draw
5 K3h2 draw
6 Kg1 draw
7 Kg3 draw
8 Kg4 draw
9 Kh4 draw
10 Ra7 draw
11 Rf7 draw
12 Rg5 draw
13 Rg6 draw
14 Rg8 draw
15 Rh7 draw
16 Rb7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rg3 loss in 2 half-moves