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 Ra2 draw
4 Ra3 draw
5 Ra4 draw
6 Ra5 draw
7 Ra6 draw
8 Rc7 draw
9 Rd7 draw
10 Re7 draw
11 Kg1 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Kg8 loss in 2 half-moves
16 Kh2 loss in 2 half-moves
17 Kh6 loss in 2 half-moves
18 Kh8 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves