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

EGTB: win in 6 half-moves

# move score
1 R3a5 win in 5 half-moves
2 Ka1 draw
3 Kb1 draw
4 Kb2 draw
5 Kb3 draw
6 R3a4 draw
7 R7a4 draw
8 R7a5 draw
9 Rb3 draw
10 Rb7 draw
11 Rc3 draw
12 Rc7 draw
13 Rd3 draw
14 Rd7 draw
15 Re3 draw
16 Re7 draw
17 Rf3 draw
18 Rf7 draw
19 R3a6 loss in 2 half-moves
20 R7a6 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rg3 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh3 loss in 2 half-moves
25 Rh7 loss in 2 half-moves