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 Ka2 draw
3 Kb2 draw
4 Kc1 draw
5 Kc2 draw
6 Rd1 draw
7 Re2 draw
8 Rf1 draw
9 Rh1 draw
10 Ka1 loss in 6 half-moves
11 Rc1 loss in 2 half-moves
12 Re3 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Re5 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Re6 loss in 1 half-moves