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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Ra4 draw
3 Ra5 draw
4 Ra7 draw
5 Ra8 draw
6 Rf1 draw
7 Rg1 draw
8 Rh1 draw
9 Kb4 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kcc4 loss in 2 half-moves
15 Kcd5 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kdc4 loss in 2 half-moves
19 Kdd5 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Ke4 loss in 2 half-moves
22 Ke5 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Rb1 loss in 2 half-moves
26 Rc1 loss in 2 half-moves
27 Rd1 loss in 2 half-moves
28 Re1 loss in 2 half-moves