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 Ka3 win in 5 half-moves
4 Kb3 win in 5 half-moves
5 Ka1 draw
6 Kb1 draw
7 Kb2 draw
8 Rc7 draw
9 Rd4 draw
10 Rd5 draw
11 Rd6 draw
12 Rd8 draw
13 Re7 draw
14 Rd1 loss in 2 half-moves
15 Rd2 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh7 loss in 2 half-moves