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

EGTB: win in 6 half-moves

# move score
1 Re1 win in 5 half-moves
2 Re2 draw
3 Re6 draw
4 Re7 draw
5 Re8 draw
6 Rf5 draw
7 Rg5 draw
8 Rh5 draw
9 K2b2 loss in 2 half-moves
10 K2b3 loss in 2 half-moves
11 K3b2 loss in 2 half-moves
12 K3b3 loss in 2 half-moves
13 Ka1 loss in 2 half-moves
14 Ka4 loss in 2 half-moves
15 Kb1 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rd5 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Re4 loss in 2 half-moves