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 Kb3 win in 5 half-moves
5 Kc3 win in 5 half-moves
6 Rf6 win in 5 half-moves
7 Rf7 win in 5 half-moves
8 Rf8 win in 5 half-moves
9 Ka6 draw
10 Ka8 draw
11 Kb4 draw
12 Kb5 draw
13 Kb6 draw
14 Kb7 draw
15 Kb8 draw
16 Kc5 draw
17 Rd2 draw
18 Re2 draw
19 Rf1 draw
20 Kd3 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rf5 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves