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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kgg7 draw
3 Khg7 draw
4 Ra2 draw
5 Ra3 draw
6 Ra4 draw
7 Ra8 draw
8 Rd7 draw
9 Re7 draw
10 Rf7 draw
11 Rg7 draw
12 Rh7 draw
13 Kf7 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Kgh7 loss in 2 half-moves
16 Khh7 loss in 1 half-moves
17 Ra1 loss in 1 half-moves
18 Ra5 loss in 1 half-moves
19 Ra6 loss in 1 half-moves
20 Rc7 loss in 1 half-moves