Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rg7 win in 1 half-moves
2 Ka1 draw
3 Ka3 draw
4 Ka7 draw
5 Kb1 draw
6 Kb2 draw
7 Kb8 draw
8 Ra7 draw
9 Rb1 draw
10 Rb2 draw
11 Rb3 draw
12 Rb8 draw
13 Kb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves