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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rd4 win in 1 half-moves
3 R4a7 draw
4 R8a7 draw
5 Rb8 draw
6 Rd8 draw
7 Rg4 draw
8 Rh4 draw
9 Kb1 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kd1 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 R4a6 loss in 2 half-moves
15 R8a6 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh8 loss in 2 half-moves
27 R4a5 loss in 1 half-moves
28 R8a5 loss in 1 half-moves