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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Ra7 win in 3 half-moves
3 Ra3 draw
4 Ra5 draw
5 Ra6 draw
6 Ra8 draw
7 Rb2 draw
8 Rc2 draw
9 Rd2 draw
10 Re2 draw
11 K5b5 loss in 2 half-moves
12 K5b6 loss in 2 half-moves
13 K5d5 loss in 2 half-moves
14 K5d6 loss in 2 half-moves
15 K6b5 loss in 2 half-moves
16 K6b6 loss in 2 half-moves
17 K6d5 loss in 2 half-moves
18 K6d6 loss in 2 half-moves
19 Kb4 loss in 2 half-moves
20 Kb7 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Kc7 loss in 2 half-moves
23 Kd4 loss in 2 half-moves
24 Kd7 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