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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kb7 win in 1 half-moves
3 Rf4 win in 1 half-moves
4 Rg3 win in 1 half-moves
5 Ka5 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Ra3 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Rc3 loss in 2 half-moves
11 Rd3 loss in 2 half-moves
12 Re3 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rf2 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rh3 loss in 2 half-moves