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 Ka1 draw
3 Ka2 draw
4 Kb2 draw
5 Kc1 draw
6 Kc2 draw
7 Re2 draw
8 Re3 draw
9 Re4 draw
10 Re5 draw
11 Rf1 draw
12 Rc1 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rh1 loss in 2 half-moves