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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Re2 win in 3 half-moves
3 Ra8 draw
4 Rb8 draw
5 Re3 draw
6 Re4 draw
7 Re5 draw
8 Rh8 draw
9 Ka3 loss in 2 half-moves
10 Kaa2 loss in 2 half-moves
11 Kab1 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kba2 loss in 2 half-moves
14 Kbb1 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves