Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Ka4 draw
3 Ka7 draw
4 Ka8 draw
5 Kb3 draw
6 Kb4 draw
7 Kb7 draw
8 Rc1 draw
9 Rc6 draw
10 Rc7 draw
11 Rd8 draw
12 Re8 draw
13 Rc2 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 Ka2 loss in 1 half-moves
20 Kb2 loss in 1 half-moves
21 Kc7 loss in 1 half-moves