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 Ra4 draw
3 Ra5 draw
4 Ra6 draw
5 Ra7 draw
6 Ra8 draw
7 Kb1 loss in 2 half-moves
8 Kb2 loss in 2 half-moves
9 Rb2 loss in 2 half-moves
10 Rc2 loss in 2 half-moves
11 Rd2 loss in 2 half-moves
12 Re2 loss in 1 half-moves
13 Rf2 loss in 1 half-moves
14 Rg2 loss in 1 half-moves
15 Rh2 loss in 1 half-moves