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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Ka6 draw
3 Kaa8 draw
4 Kab7 draw
5 Kb6 draw
6 Kba8 draw
7 Kbb7 draw
8 Kc7 draw
9 Kc8 draw
10 Rd8 draw
11 Re8 draw
12 Rf1 draw
13 Rf5 draw
14 Rf6 draw
15 Rf7 draw
16 Rf2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves