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 win in 3 half-moves
5 Rf8 win in 5 half-moves
6 Ka7 draw
7 Ka8 draw
8 Kbb7 draw
9 Kbc7 draw
10 Kcb7 draw
11 Kcc7 draw
12 Re2 draw
13 Rf1 draw
14 Rf3 draw
15 Rf4 draw
16 Kd7 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves