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 Re3 win in 3 half-moves
3 Rf3 win in 3 half-moves
4 Kc7 draw
5 Kc8 draw
6 Kdd7 draw
7 Kde7 draw
8 Ked7 draw
9 Kee7 draw
10 Kf7 draw
11 Kf8 draw
12 Ra4 draw
13 Ra5 draw
14 Ra6 draw
15 Ra8 draw
16 Rg3 draw
17 Rh3 draw
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rd3 loss in 2 half-moves