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