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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Ra4 win in 1 half-moves
3 Rc2 win in 1 half-moves
4 Rd2 win in 1 half-moves
5 Re2 win in 1 half-moves
6 Ka5 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Ra1 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rf2 loss in 2 half-moves
14 Rg2 loss in 2 half-moves
15 Rh2 loss in 2 half-moves
16 Ka7 loss in 1 half-moves