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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Ra1 loss in 8 half-moves
4 Ra2 loss in 8 half-moves
5 Ka4 loss in 6 half-moves
6 Ra4 loss in 6 half-moves
7 Rg3 loss in 6 half-moves
8 Rh3 loss in 6 half-moves
9 Ka6 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rc3 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Rf3 loss in 2 half-moves