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 Rf7 win in 1 half-moves
4 Rf8 win in 1 half-moves
5 Kb4 draw
6 Rb4 draw
7 Rc4 draw
8 Rf3 draw
9 Ka4 loss in 2 half-moves
10 Ka6 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves