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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Rc2 win in 3 half-moves
4 Rd2 draw
5 Re2 draw
6 Rf1 draw
7 Rf4 draw
8 Rf5 draw
9 Rf6 draw
10 Ka6 loss in 2 half-moves
11 Kaa8 loss in 2 half-moves
12 Kab7 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kba8 loss in 2 half-moves
15 Kbb7 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kc8 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves