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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Rc7 win in 3 half-moves
3 Rd7 win in 3 half-moves
4 Rf1 win in 5 half-moves
5 Rb7 win in 9 half-moves
6 Ka1 draw
7 Ka3 draw
8 Kab1 draw
9 Kab2 draw
10 Kab3 draw
11 Kc1 draw
12 Kc3 draw
13 Kcb1 draw
14 Kcb2 draw
15 Kcb3 draw
16 Re7 draw
17 Rf5 draw
18 Rf6 draw
19 Rf8 draw
20 Kd1 loss in 2 half-moves
21 Kd2 loss in 2 half-moves
22 Kd3 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves