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 a2 draw
3 Kg1 draw
4 Kg2 draw
5 Kg3 draw
6 Kh1 draw
7 Kh3 draw
8 Ra7 draw
9 Rb7 draw
10 Rf7 draw
11 Rc7 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Rg2 loss in 2 half-moves
15 Rg3 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh7 loss in 2 half-moves