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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Rf2 win in 3 half-moves
3 Rb6 draw
4 Rd6 draw
5 Rf3 draw
6 Rf4 draw
7 Rf5 draw
8 Rf8 draw
9 Rh6 draw
10 Ka1 loss in 2 half-moves
11 Ka2 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kc1 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg6 loss in 2 half-moves