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 Rf6 win in 1 half-moves
3 Rf7 win in 1 half-moves
4 Rf8 win in 1 half-moves
5 Ka7 draw
6 Ra2 draw
7 Rb2 draw
8 Rc2 draw
9 Rd2 draw
10 Re2 draw
11 Ka5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rh2 loss in 2 half-moves