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

EGTB: draw

# move score
1 Rb4 draw
2 Rd5 draw
3 Rd6 draw
4 Rd7 draw
5 Kc1 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Kc3 loss in 2 half-moves
8 Kd1 loss in 2 half-moves
9 Kd3 loss in 2 half-moves
10 Ke1 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Kf1 loss in 2 half-moves
14 Kf2 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 Kg1 loss in 2 half-moves
17 Kg3 loss in 2 half-moves
18 Kh1 loss in 2 half-moves
19 Kh2 loss in 2 half-moves
20 Kh3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rg4 loss in 2 half-moves
28 Rh4 loss in 2 half-moves