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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kd3 win in 7 half-moves
3 Ra2 win in 7 half-moves
4 Ra5 win in 7 half-moves
5 Kc3 draw
6 Ra7 draw
7 Rf3 draw
8 Rg3 draw
9 Rh3 draw
10 Kb1 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kd1 loss in 2 half-moves
19 Kd2 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Kd6 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Ra6 loss in 2 half-moves
26 Ra8 loss in 2 half-moves
27 Rb3 loss in 2 half-moves
28 Rc3 loss in 2 half-moves
29 Rd3 loss in 2 half-moves
30 Re3 loss in 2 half-moves