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 Kc4 draw
3 Kc5 draw
4 Kd5 draw
5 Ke3 draw
6 Ke4 draw
7 Ke5 draw
8 Rc3 draw
9 Re3 draw
10 Rh3 draw
11 Kc3 loss in 2 half-moves
12 Ra3 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Rd2 loss in 2 half-moves
16 Rg3 loss in 2 half-moves