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 Ra1 draw
3 Ra2 draw
4 Ra4 draw
5 Ra5 draw
6 Ra6 draw
7 Rc7 draw
8 Rd7 draw
9 Re7 draw
10 Rg7 draw
11 Kb1 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kcd1 loss in 2 half-moves
17 Kcd2 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Ked1 loss in 2 half-moves
21 Ked2 loss in 2 half-moves
22 Kf1 loss in 2 half-moves
23 Kf2 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rb7 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves