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 Ra1 draw
3 Ra4 draw
4 Ra5 draw
5 Ra6 draw
6 Rd7 draw
7 Re7 draw
8 Rf7 draw
9 Rg7 draw
10 Rh7 draw
11 Kf1 loss in 2 half-moves
12 Kf2 loss in 2 half-moves
13 Kgh2 loss in 2 half-moves
14 Kgg2 loss in 1 half-moves
15 Khg2 loss in 1 half-moves
16 Khh2 loss in 1 half-moves
17 Ra2 loss in 1 half-moves
18 Ra3 loss in 1 half-moves
19 Ra8 loss in 1 half-moves
20 Rc7 loss in 1 half-moves