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 Ka1 draw
3 Ka5 draw
4 Ka7 draw
5 Kb1 draw
6 Kb2 draw
7 Kb3 draw
8 Ra4 draw
9 Rb3 draw
10 Rc3 draw
11 Re3 draw
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rh3 loss in 2 half-moves