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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Rb1 win in 17 half-moves
3 Rc1 win in 17 half-moves
4 Kb5 draw
5 Kd5 draw
6 R1a2 draw
7 R5a2 draw
8 Rb5 draw
9 Rd1 draw
10 Kb4 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 R1a3 loss in 2 half-moves
17 R1a4 loss in 2 half-moves
18 R5a3 loss in 2 half-moves
19 R5a4 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rh1 loss in 2 half-moves