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 Re3 win in 3 half-moves
4 Re4 win in 3 half-moves
5 Rb7 draw
6 Rc7 draw
7 Rd7 draw
8 Re5 draw
9 Re6 draw
10 Rf7 draw
11 K2b2 loss in 2 half-moves
12 K2b3 loss in 2 half-moves
13 K3b2 loss in 2 half-moves
14 K3b3 loss in 2 half-moves
15 Ka1 loss in 2 half-moves
16 Ka4 loss in 2 half-moves
17 Kb1 loss in 2 half-moves
18 Kb4 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves