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 Ka2 draw
3 Ka4 draw
4 Kb2 draw
5 Kb3 draw
6 Kb4 draw
7 Rd3 draw
8 Re3 draw
9 Rg3 draw
10 Rh2 draw
11 Rh4 draw
12 Rh5 loss in 4 half-moves
13 Rb3 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rh6 loss in 2 half-moves
16 Rh7 loss in 2 half-moves
17 Rh8 loss in 2 half-moves
18 Rh1 loss in 1 half-moves