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

EGTB: win in 50 half-moves

# move score
1 K8b7 win in 49 half-moves
2 Re7 win in 51 half-moves
3 K8a7 win in 53 half-moves
4 Re5 win in 55 half-moves
5 Re6 win in 55 half-moves
6 Re8 win in 55 half-moves
7 Rg4 win in 55 half-moves
8 Rh4 win in 55 half-moves
9 Rf4 win in 57 half-moves
10 K6a7 draw
11 K6b7 draw
12 Ka5 draw
13 Kb6 draw
14 Kb8 draw
15 Ra4 draw
16 Kb5 loss in 4 half-moves
17 Rb4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Re3 loss in 2 half-moves