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 Rb7 win in 3 half-moves
3 Rc7 win in 3 half-moves
4 Rd7 win in 3 half-moves
5 Rf1 win in 5 half-moves
6 Rf2 win in 5 half-moves
7 Ka3 draw
8 Ka5 draw
9 Kab3 draw
10 Kb1 draw
11 Kb2 draw
12 Kb4 draw
13 Kb5 draw
14 Kc1 draw
15 Kc3 draw
16 Kcb3 draw
17 Kd1 draw
18 Re7 draw
19 Rf6 draw
20 Rf8 draw
21 Kd2 loss in 2 half-moves
22 Kd3 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 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves