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