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

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Ka3 draw
3 Kb2 draw
4 Kb3 draw
5 Ra3 draw
6 Re3 draw
7 Rf3 draw
8 Rh1 draw
9 Rh2 draw
10 Ka1 loss in 4 half-moves
11 Kb1 loss in 4 half-moves
12 Rb3 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Rh7 loss in 2 half-moves
16 Rh8 loss in 2 half-moves
17 Rh4 loss in 1 half-moves
18 Rh5 loss in 1 half-moves
19 Rh6 loss in 1 half-moves