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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Ra8 win in 3 half-moves
3 Ra3 draw
4 Ra4 draw
5 Ra6 draw
6 Ra7 draw
7 Rb2 draw
8 Rc2 draw
9 Rd2 draw
10 Re2 draw
11 K6b6 loss in 2 half-moves
12 K6b7 loss in 2 half-moves
13 K6d6 loss in 2 half-moves
14 K6d7 loss in 2 half-moves
15 K7b6 loss in 2 half-moves
16 K7b7 loss in 2 half-moves
17 K7d6 loss in 2 half-moves
18 K7d7 loss in 2 half-moves
19 Kb5 loss in 2 half-moves
20 Kb8 loss in 2 half-moves
21 Kc5 loss in 2 half-moves
22 Kc8 loss in 2 half-moves
23 Kd5 loss in 2 half-moves
24 Kd8 loss in 2 half-moves
25 Ra1 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rg2 loss in 2 half-moves
28 Rh2 loss in 2 half-moves