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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Rh5 win in 3 half-moves
3 Ra1 draw
4 Ra2 draw
5 Ra3 draw
6 Raa4 draw
7 Rac5 draw
8 Rb4 draw
9 Rb5 draw
10 Rc1 draw
11 Rc2 draw
12 Rc3 draw
13 Rca4 draw
14 Rcc5 loss in 4 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Rd5 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rf5 loss in 2 half-moves
27 Rg4 loss in 2 half-moves
28 Rg5 loss in 2 half-moves