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 Kc5 draw
3 Kd5 draw
4 Ke4 draw
5 Ke5 draw
6 Rd3 draw
7 Re4 draw
8 Re5 draw
9 Re6 draw
10 Re7 draw
11 Re8 draw
12 Rg3 draw
13 Rh3 draw
14 Kc3 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Re2 loss in 2 half-moves