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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rc3 win in 3 half-moves
3 Rc7 win in 3 half-moves
4 Kb1 win in 5 half-moves
5 Kb2 win in 5 half-moves
6 Rd3 win in 5 half-moves
7 Ka2 draw
8 R3a4 draw
9 R3a5 draw
10 R3a6 draw
11 R7a4 draw
12 R7a5 draw
13 R7a6 draw
14 Rd7 draw
15 Rh3 draw
16 Rh7 draw
17 Ra2 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rg7 loss in 2 half-moves