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

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Rd7 win in 3 half-moves
3 Re7 win in 3 half-moves
4 Ra1 win in 5 half-moves
5 Ra2 win in 5 half-moves
6 Kc1 draw
7 Kc2 draw
8 Kd2 draw
9 Ke1 draw
10 Ke2 draw
11 Kg1 draw
12 Kg2 draw
13 Kh2 draw
14 Ra3 draw
15 Ra8 draw
16 Rb7 draw
17 Rf7 draw
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves