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 Ra4 draw
3 Ra5 draw
4 Ra6 draw
5 Ra8 draw
6 Rf1 draw
7 Rg1 draw
8 Rh1 draw
9 Kb3 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rd1 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 K4b5 loss in 1 half-moves
26 K4c5 loss in 1 half-moves
27 K4d5 loss in 1 half-moves
28 K6b5 loss in 1 half-moves
29 K6c5 loss in 1 half-moves
30 K6d5 loss in 1 half-moves