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 Ka7 draw
6 Ka8 draw
7 Kb5 draw
8 Kb6 draw
9 Kbb7 draw
10 Kbc7 draw
11 Kc5 draw
12 Kc8 draw
13 Kcb7 draw
14 Kcc7 draw
15 Re2 draw
16 Rf1 draw
17 Rf3 draw
18 Rf4 draw
19 Rf8 draw
20 Kd5 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Kd7 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rf6 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves