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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kb7 draw
6 R3a4 draw
7 R3a5 draw
8 Ra1 draw
9 Ra2 draw
10 Rb3 draw
11 Rc3 draw
12 Rd3 draw
13 Re3 draw
14 Rf3 draw
15 R6a4 loss in 2 half-moves
16 R6a5 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Kc5 loss in 1 half-moves
19 Kc6 loss in 1 half-moves
20 Kc7 loss in 1 half-moves
21 Rg3 loss in 1 half-moves
22 Rh3 loss in 1 half-moves