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

EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 R6a5 win in 5 half-moves
3 Kb1 draw
4 Kb2 draw
5 Kc2 draw
6 R4a5 draw
7 Ra1 draw
8 Ra3 draw
9 Rb4 draw
10 Rd4 draw
11 Re4 draw
12 Re6 draw
13 Rf4 draw
14 Rh4 draw
15 Rh6 draw
16 Kd1 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rc6 loss in 2 half-moves
24 Rd6 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rg6 loss in 2 half-moves