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

EGTB: win in 4 half-moves

# move score
1 R8a5 win in 3 half-moves
2 R3a5 win in 31 half-moves
3 Kd7 draw
4 Kd8 draw
5 Ke7 draw
6 Kf7 draw
7 Kf8 draw
8 R3a7 draw
9 R8a7 draw
10 Rb3 draw
11 Rb8 draw
12 Rc3 draw
13 Rc8 draw
14 Rd3 draw
15 Rd8 draw
16 Re3 draw
17 R3a4 loss in 2 half-moves
18 R3a6 loss in 2 half-moves
19 R8a4 loss in 2 half-moves
20 R8a6 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rh3 loss in 2 half-moves