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 Ra5 draw
3 Rb5 draw
4 Rc5 draw
5 Rd5 draw
6 Rg2 draw
7 Rg7 draw
8 Rg8 draw
9 Rh5 draw
10 Ke1 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Kf2 loss in 2 half-moves
13 Kg1 loss in 2 half-moves
14 Kg2 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg6 loss in 2 half-moves