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

EGTB: win in 4 half-moves

# move score
1 R1a3 win in 3 half-moves
2 R1a4 win in 3 half-moves
3 R1a5 win in 3 half-moves
4 R7a3 win in 3 half-moves
5 R7a4 win in 3 half-moves
6 R7a5 win in 3 half-moves
7 R7a6 win in 3 half-moves
8 Rb1 win in 3 half-moves
9 Rb7 win in 3 half-moves
10 Rc1 win in 3 half-moves
11 Rd1 win in 3 half-moves
12 R1a2 draw
13 R1a6 draw
14 R7a2 draw
15 Rc7 draw
16 Re1 draw
17 Kc6 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Kd8 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Ke8 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Kc7 loss in 1 half-moves
28 Ke7 loss in 1 half-moves