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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 K2b3 draw
3 K2c3 draw
4 K2d3 draw
5 K4b3 draw
6 K4c3 draw
7 K4d3 draw
8 Kb1 draw
9 Kb2 draw
10 Kb4 draw
11 Kc1 draw
12 Kd1 draw
13 Ra2 draw
14 Ra3 draw
15 Ra4 draw
16 Ra5 draw
17 Re6 draw
18 Rf6 draw
19 Rg6 draw
20 Rh6 draw
21 Kb5 loss in 2 half-moves
22 Kc5 loss in 2 half-moves
23 Kd2 loss in 2 half-moves
24 Kd4 loss in 2 half-moves
25 Kd5 loss in 2 half-moves
26 Ra7 loss in 2 half-moves
27 Ra8 loss in 2 half-moves
28 Rb6 loss in 2 half-moves
29 Rc6 loss in 2 half-moves
30 Rd6 loss in 2 half-moves