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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb4 draw
6 Kb6 draw
7 Kc4 draw
8 Kc5 draw
9 Kc6 draw
10 Ra4 draw
11 Re4 draw
12 Rh3 draw
13 Rh5 draw
14 Rh6 draw
15 Rh7 draw
16 Rb4 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh8 loss in 2 half-moves