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

EGTB: win in 4 half-moves

# move score
1 R3a4 win in 3 half-moves
2 R7a4 win in 3 half-moves
3 Re7 win in 11 half-moves
4 Kc3 win in 13 half-moves
5 R3a6 win in 13 half-moves
6 Rd7 win in 13 half-moves
7 Rc3 win in 15 half-moves
8 Rc7 win in 15 half-moves
9 Rb7 win in 25 half-moves
10 Rb3 win in 29 half-moves
11 R7a6 draw
12 Ra8 draw
13 Kc2 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Ke4 loss in 2 half-moves
20 R3a5 loss in 2 half-moves
21 R7a5 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg7 loss in 2 half-moves
26 Rh7 loss in 2 half-moves