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 Kb8 draw
3 Kc1 draw
4 Kc2 draw
5 Kd2 draw
6 Ke2 draw
7 Re2 draw
8 Re3 draw
9 Re8 draw
10 Rf1 draw
11 Rh1 draw
12 Ka7 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Re7 loss in 2 half-moves