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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc1 draw
6 Kc2 draw
7 Kc7 draw
8 Kc8 draw
9 Kd2 draw
10 Ra5 draw
11 Rb1 draw
12 Rb6 draw
13 Rb7 draw
14 Rc5 draw
15 Rd5 draw
16 Ke1 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rg5 loss in 2 half-moves
23 Rh5 loss in 2 half-moves