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 Ke2 draw
3 Kf2 draw
4 Kg1 draw
5 Kg2 draw
6 Rg1 draw
7 Rg2 draw
8 Rg5 draw
9 Rh3 draw
10 Ke1 loss in 4 half-moves
11 Ra3 loss in 4 half-moves
12 Rb3 loss in 4 half-moves
13 Rc3 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rg8 loss in 2 half-moves