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

EGTB: win in 4 half-moves

# move score
1 Re4 win in 3 half-moves
2 Re5 win in 3 half-moves
3 Kc7 draw
4 Rc8 draw
5 Re1 draw
6 Re2 draw
7 Re3 draw
8 Rg8 draw
9 Rh8 draw
10 Ka4 loss in 2 half-moves
11 Ka6 loss in 2 half-moves
12 Ka7 loss in 2 half-moves
13 Ka8 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Kb7 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Kc8 loss in 1 half-moves