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

EGTB: win in 20 half-moves

# move score
1 Ra4 win in 19 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd8 draw
6 Ra6 draw
7 Ra8 draw
8 Rab7 draw
9 Rac7 draw
10 Rd4 draw
11 Rd6 draw
12 Rd8 draw
13 Rdb7 draw
14 Rdc7 draw
15 Re7 draw
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg7 loss in 2 half-moves
26 Rh7 loss in 2 half-moves