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 Ra3 win in 1 half-moves
3 Ra4 win in 1 half-moves
4 Ra5 win in 1 half-moves
5 Kb7 draw
6 Kb8 draw
7 Ra2 draw
8 Ra6 draw
9 Rc7 draw
10 Rd7 draw
11 Re7 draw
12 Rf7 draw
13 Rg7 draw
14 Rh7 draw
15 Rb7 loss in 2 half-moves