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 Ka7 draw
3 Ka8 draw
4 Kb5 draw
5 Kb7 draw
6 Kc5 draw
7 Kc7 draw
8 Kc8 draw
9 Kd5 draw
10 Rc1 draw
11 Rc2 draw
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves