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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Ka8 draw
3 Kb7 draw
4 Kc7 draw
5 Kc8 draw
6 Ra2 draw
7 Ra8 draw
8 Rab7 draw
9 Rac7 draw
10 Rad7 draw
11 Re5 draw
12 Re8 draw
13 Reb7 draw
14 Rec7 draw
15 Red7 draw
16 Ra1 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Re6 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves