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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Ka2 draw
3 Kb1 draw
4 Ra8 draw
5 Rh7 loss in 4 half-moves
6 Kb2 loss in 2 half-moves
7 Ra2 loss in 2 half-moves
8 Ra4 loss in 2 half-moves
9 Ra5 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg7 loss in 2 half-moves