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 Ra6 draw
3 Re2 draw
4 Re5 draw
5 Re8 draw
6 Rf6 draw
7 Kb1 loss in 2 half-moves
8 Kb2 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Kc1 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kd1 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves