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 Kb2 draw
4 Kb3 draw
5 Kc3 draw
6 Kd2 draw
7 Kd3 draw
8 Re1 draw
9 Rf1 draw
10 Rh1 draw
11 Kd1 loss in 6 half-moves
12 Ra1 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rd1 loss in 2 half-moves