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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Rf8 win in 3 half-moves
4 Rf6 win in 5 half-moves
5 K7b7 draw
6 K7b8 draw
7 K8b7 draw
8 K8b8 draw
9 Ra5 draw
10 Re5 draw
11 Rf3 draw
12 Rf4 draw
13 Rf7 draw
14 Rg5 draw
15 Rh5 draw
16 Rb5 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves