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 Ka3 draw
3 Ka5 draw
4 Kb3 draw
5 Kb4 draw
6 Kb5 draw
7 Re4 draw
8 Rh2 draw
9 Rh3 draw
10 Rh5 draw
11 Rh6 draw
12 Rb4 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rh1 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Rh8 loss in 2 half-moves