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 Kb5 win in 5 half-moves
3 Kba7 win in 7 half-moves
4 Kbb7 win in 7 half-moves
5 Kc7 win in 7 half-moves
6 Ka5 draw
7 Ka8 draw
8 Kaa7 draw
9 Kab7 draw
10 Kb6 draw
11 Kc8 draw
12 Rd8 draw
13 Re8 draw
14 Rf2 draw
15 Rf7 draw
16 Rf1 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves