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 Kb1 draw
3 Kd1 draw
4 Kd2 draw
5 Kd5 draw
6 Kd6 draw
7 Kd7 draw
8 Ke5 draw
9 Ke7 draw
10 Kf5 draw
11 Kf6 draw
12 Rd1 draw
13 Re2 draw
14 Rf1 draw
15 Rh1 draw
16 Kb2 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kf7 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Re5 loss in 2 half-moves