In case it fits and still suits your need, you can combine both tables.

\documentclass{article} \usepackage[ skip=0.5\baselineskip, labelfont=bf, format=plain, labelsep=newline, singlelinecheck=false ]{caption} \usepackage[utf8]{inputenc} \usepackage{fullpage} \usepackage{graphicx,multirow,booktabs} \setlength{\footskip}{25mm} \begin{document} \begin{table}[htbp] \centering \caption{The training and test data frequencies for each city.} \label{tab:cases} \resizebox{\textwidth}{!}{% \setlength{\tabcolsep}{7pt} \renewcommand{\arraystretch}{1.5} \begin{tabular}{llcccc} \toprule & Training Set & Test Set & Dates for Training Set & Dates for Test Set & Dates for Test Set \\ \midrule \multirow{4}{*}{\rotatebox[origin=c]{90}{Case1}} & Seattle & 750 & 367 & Jan 1, 2018 - Jan 20, 2020 & Jan 21, 2020 - Jan 21, 2021 \\ & San Francisco & 750 & 370 & Jan 1, 2018 - Jan 20, 2020 & Jan 21, 2020 - Jan 24, 2021 \\ & Los Angeles & 750 & 364 & Jan 1, 2018 - Jan 20, 2020 & Jan 21, 2020 - Jan 18, 2021 \\ & Philadelphia & 750 & 370 & Jan 1, 2018 - Jan 20, 2020 & Jan 21, 2020 - Jan 24, 2021 \\ \cmidrule{2-6} \multirow{4}{*}{\rotatebox[origin=c]{90}{Case2}} & Seattle & 876 & 241 & Jan 1, 2018 - May 25, 2020 & May 26, 2020 - Jan 21, 2021 \\ & San Francisco & 876 & 244 & Jan 1, 2018 - May 25, 2020 & May 26, 2020 - Jan 24, 2021 \\ & Los Angeles & 876 & 238 & Jan 1, 2018 - May 25, 2020 & May 26, 2020 - Jan 18, 2021 \\ & Philadelphia & 876 & 244 & Jan 1, 2018 - May 25, 2020 & May 26, 2020 - Jan 24, 2021 \\ \bottomrule \end{tabular} } \end{table} \end{document} 

Let me know if the saved place is enough.