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 Rb1 win in 7 half-moves
3 Kb8 draw
4 R1a2 draw
5 R4a2 draw
6 Ra5 draw
7 Ra6 draw
8 Ra7 draw
9 Ra8 draw
10 Rc4 draw
11 Rd1 draw
12 Rd4 draw
13 Re4 draw
14 Rf4 draw
15 Rh4 draw
16 Kb7 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 R1a3 loss in 2 half-moves
21 R4a3 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh1 loss in 2 half-moves