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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Ra1 draw
3 Ra3 draw
4 Ra4 draw
5 Ra5 draw
6 Ra6 draw
7 Rb7 draw
8 Rc7 draw
9 Rd7 draw
10 Re7 draw
11 Kd1 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Kf1 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Kg1 loss in 2 half-moves
17 Kg2 loss in 2 half-moves
18 Kh2 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves