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