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

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Rh7 draw
3 Kc1 loss in 2 half-moves
4 Kc2 loss in 2 half-moves
5 Rc1 loss in 2 half-moves
6 Rd1 loss in 2 half-moves
7 Re1 loss in 2 half-moves
8 Rf1 loss in 2 half-moves
9 Rh2 loss in 2 half-moves
10 Rh3 loss in 2 half-moves
11 Rh4 loss in 2 half-moves
12 Rh5 loss in 2 half-moves
13 Rh6 loss in 2 half-moves
14 Rh8 loss in 2 half-moves
15 Kaa2 loss in 1 half-moves
16 Kab2 loss in 1 half-moves
17 Kba2 loss in 1 half-moves
18 Kbb2 loss in 1 half-moves