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 Kc2 draw
3 Kd2 draw
4 Ke1 draw
5 Ke2 draw
6 Rd3 draw
7 Rg3 draw
8 Rh3 draw
9 Kc1 loss in 4 half-moves
10 Ra3 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rc3 loss in 2 half-moves
13 Re1 loss in 2 half-moves
14 Re2 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Re8 loss in 2 half-moves