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

EGTB: draw

# move score
1 Rb4 draw
2 Rd4 draw
3 Re4 draw
4 Ra1 loss in 8 half-moves
5 Ra8 loss in 4 half-moves
6 Kc1 loss in 2 half-moves
7 Kc2 loss in 2 half-moves
8 Kd2 loss in 2 half-moves
9 Ke1 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Ra3 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Ra7 loss in 1 half-moves
17 Rf4 loss in 1 half-moves
18 Rg4 loss in 1 half-moves
19 Rh4 loss in 1 half-moves