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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Kb1 draw
3 Kc1 draw
4 Kd1 draw
5 Ra1 draw
6 Ra2 draw
7 Ra4 draw
8 Ra5 draw
9 Ra6 draw
10 Re7 draw
11 Rg7 draw
12 Rh7 draw
13 Kb2 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Kf3 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Kg2 loss in 2 half-moves
22 Kg4 loss in 2 half-moves
23 Kh2 loss in 2 half-moves
24 Kh3 loss in 2 half-moves
25 Kh4 loss in 2 half-moves
26 Ra8 loss in 2 half-moves
27 Rb7 loss in 2 half-moves
28 Rc7 loss in 2 half-moves
29 Rd7 loss in 2 half-moves
30 Rf7 loss in 2 half-moves