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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Rd7 win in 1 half-moves
3 Rf7 draw
4 Rg7 draw
5 Kb7 loss in 2 half-moves
6 Kb8 loss in 2 half-moves
7 Ke8 loss in 2 half-moves
8 Kg8 loss in 2 half-moves
9 Ra2 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rh7 loss in 2 half-moves
17 Ke7 loss in 1 half-moves
18 Kf7 loss in 1 half-moves
19 Kg7 loss in 1 half-moves
20 Re7 loss in 1 half-moves