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

EGTB: draw

# move score
1 Re4 draw
2 Re5 draw
3 Re6 draw
4 Kb1 loss in 2 half-moves
5 Kb2 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Kd1 loss in 2 half-moves
8 Kd2 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rd3 loss in 2 half-moves
13 Re1 loss in 2 half-moves
14 Re2 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Rf3 loss in 1 half-moves