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

EGTB: win in 4 half-moves

# move score
1 R7a5 win in 3 half-moves
2 R4a5 win in 5 half-moves
3 Rb4 win in 5 half-moves
4 Rb7 win in 5 half-moves
5 Rc4 win in 5 half-moves
6 Rc7 win in 5 half-moves
7 Rd7 win in 5 half-moves
8 Rh4 win in 5 half-moves
9 Ra3 win in 7 half-moves
10 Rd4 win in 11 half-moves
11 Kc7 draw
12 Kd7 draw
13 Ke8 draw
14 Ra8 draw
15 Re7 draw
16 Rh7 draw
17 Kc8 loss in 2 half-moves
18 R4a6 loss in 2 half-moves
19 R7a6 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Ke7 loss in 1 half-moves