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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Ra1 draw
3 Ra2 draw
4 Ra3 draw
5 Ra5 draw
6 Ra6 draw
7 Rb7 draw
8 Rc7 draw
9 Rd7 draw
10 Rg7 draw
11 K1b2 loss in 2 half-moves
12 K1c2 loss in 2 half-moves
13 K1d2 loss in 2 half-moves
14 K3b2 loss in 2 half-moves
15 K3c2 loss in 2 half-moves
16 K3d2 loss in 2 half-moves
17 Kb1 loss in 2 half-moves
18 Kb3 loss in 2 half-moves
19 Kb4 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kd1 loss in 2 half-moves
22 Kd3 loss in 2 half-moves
23 Kd4 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Re7 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves