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

EGTB: draw

# move score
1 Rb4 draw
2 Kb1 loss in 2 half-moves
3 Kb2 loss in 2 half-moves
4 Kc2 loss in 2 half-moves
5 Kd1 loss in 2 half-moves
6 Kd2 loss in 2 half-moves
7 Rc4 loss in 2 half-moves
8 Rd4 loss in 2 half-moves
9 Re4 loss in 2 half-moves
10 Rg4 loss in 2 half-moves
11 Rh1 loss in 2 half-moves
12 Rh2 loss in 2 half-moves
13 Rh3 loss in 2 half-moves
14 Rh6 loss in 2 half-moves
15 Rh7 loss in 2 half-moves
16 Rh8 loss in 2 half-moves
17 Ra4 loss in 1 half-moves
18 Rf4 loss in 1 half-moves
19 Rh5 loss in 1 half-moves