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 R7a6 draw
3 Rb5 draw
4 Rb7 draw
5 Rb8 draw
6 Rc5 draw
7 Rc7 draw
8 Rc8 draw
9 Rd5 draw
10 Rd7 draw
11 Rd8 draw
12 Re5 draw
13 Re7 draw
14 Re8 draw
15 R5a6 loss in 8 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg5 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh5 loss in 2 half-moves
26 Rh7 loss in 2 half-moves
27 Rh8 loss in 2 half-moves