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