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

EGTB: win in 2 half-moves

# move score
1 Rf7 win in 1 half-moves
2 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc7 draw
6 Kc8 draw
7 Ra4 draw
8 Rb4 draw
9 Rd4 draw
10 Rf3 draw
11 Rf5 draw
12 Rf6 draw
13 Rf8 draw
14 Rh4 draw
15 Rc4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rg4 loss in 2 half-moves