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

EGTB: win in 2 half-moves

# move score
1 Rf3 win in 1 half-moves
2 Ra4 draw
3 Rb4 draw
4 Rc4 draw
5 Rf1 draw
6 Rf2 draw
7 Rg4 draw
8 Rh4 draw
9 Kd7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Kee7 loss in 2 half-moves
12 Kef7 loss in 2 half-moves
13 Kfe7 loss in 2 half-moves
14 Kff7 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves