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 Ka2 draw
3 Ka4 draw
4 Kb2 draw
5 Kb3 draw
6 Kb4 draw
7 Rb3 draw
8 Rc2 draw
9 Rc4 draw
10 Rc1 loss in 4 half-moves
11 Rc5 loss in 4 half-moves
12 Rc7 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 Rc6 loss in 1 half-moves