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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Ra1 draw
3 Ra2 draw
4 Rab3 draw
5 Rac3 draw
6 Rad3 draw
7 Rae4 draw
8 Rb4 draw
9 Rc4 draw
10 Rd4 draw
11 Re1 draw
12 Re2 draw
13 Re6 draw
14 Reb3 draw
15 Rec3 draw
16 Red3 draw
17 Ree4 draw
18 Ra5 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rg4 loss in 2 half-moves
28 Rh3 loss in 2 half-moves
29 Rh4 loss in 2 half-moves